Home / 1,130,127,258.60-1,559,662,959.70-678,022,239.66

Finding the Fourth Proportional to 1,130,127,258.60, 1,559,662,959.70 and 678,022,239.66

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Solution

The fourth proportional to 1,130,127,258.60, 1,559,662,959.70 and 678,022,239.66 is: 935,723,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,127,258.60 : 1,559,662,959.70 = 678,022,239.66 : x
  2. Step 2: Convert to fraction form
    1,130,127,258.60/1,559,662,959.70 = 678,022,239.66/x
  3. Step 3: Cross multiply
    1,130,127,258.60x = 1,559,662,959.70 × 678,022,239.66
  4. Step 4: Simplify right side
    1,130,127,258.60x = 1,057,486,173,050,538,240
  5. Step 5: Solve for x
    x = 1,057,486,173,050,538,240/1,130,127,258.60
  6. Step 6: Final answer
    x = 935,723,092.25

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.