Home / 1,243,456,544.70-1,865,184,817.05-880,360,890.30

Finding the Fourth Proportional to 1,243,456,544.70, 1,865,184,817.05 and 880,360,890.30

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Solution

The fourth proportional to 1,243,456,544.70, 1,865,184,817.05 and 880,360,890.30 is: 1,320,541,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,456,544.70 : 1,865,184,817.05 = 880,360,890.30 : x
  2. Step 2: Convert to fraction form
    1,243,456,544.70/1,865,184,817.05 = 880,360,890.30/x
  3. Step 3: Cross multiply
    1,243,456,544.70x = 1,865,184,817.05 × 880,360,890.30
  4. Step 4: Simplify right side
    1,243,456,544.70x = 1,642,035,766,112,180,480
  5. Step 5: Solve for x
    x = 1,642,035,766,112,180,480/1,243,456,544.70
  6. Step 6: Final answer
    x = 1,320,541,335.45

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Double scale
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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.