Home / 1,665,792,220.40-2,498,688,330.60-849,498,844.40

Finding the Fourth Proportional to 1,665,792,220.40, 2,498,688,330.60 and 849,498,844.40

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Solution

The fourth proportional to 1,665,792,220.40, 2,498,688,330.60 and 849,498,844.40 is: 1,274,248,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,792,220.40 : 2,498,688,330.60 = 849,498,844.40 : x
  2. Step 2: Convert to fraction form
    1,665,792,220.40/2,498,688,330.60 = 849,498,844.40/x
  3. Step 3: Cross multiply
    1,665,792,220.40x = 2,498,688,330.60 × 849,498,844.40
  4. Step 4: Simplify right side
    1,665,792,220.40x = 2,122,632,849,360,464,896
  5. Step 5: Solve for x
    x = 2,122,632,849,360,464,896/1,665,792,220.40
  6. Step 6: Final answer
    x = 1,274,248,266.60

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Half scale
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Double scale
Find fourth proportional to 1,665,792,221.40, 2,498,688,332.10 and 849,498,845.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.