Home / 1,425,059,033.15-1,966,581,434.51-789,977,915.69

Finding the Fourth Proportional to 1,425,059,033.15, 1,966,581,434.51 and 789,977,915.69

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Solution

The fourth proportional to 1,425,059,033.15, 1,966,581,434.51 and 789,977,915.69 is: 1,090,169,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,059,033.15 : 1,966,581,434.51 = 789,977,915.69 : x
  2. Step 2: Convert to fraction form
    1,425,059,033.15/1,966,581,434.51 = 789,977,915.69/x
  3. Step 3: Cross multiply
    1,425,059,033.15x = 1,966,581,434.51 × 789,977,915.69
  4. Step 4: Simplify right side
    1,425,059,033.15x = 1,553,555,902,655,077,120
  5. Step 5: Solve for x
    x = 1,553,555,902,655,077,120/1,425,059,033.15
  6. Step 6: Final answer
    x = 1,090,169,506.33

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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.