Home / 1,500,070,858.32-2,069,901,472.68-865,014,805.92

Finding the Fourth Proportional to 1,500,070,858.32, 2,069,901,472.68 and 865,014,805.92

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Solution

The fourth proportional to 1,500,070,858.32, 2,069,901,472.68 and 865,014,805.92 is: 1,193,607,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,070,858.32 : 2,069,901,472.68 = 865,014,805.92 : x
  2. Step 2: Convert to fraction form
    1,500,070,858.32/2,069,901,472.68 = 865,014,805.92/x
  3. Step 3: Cross multiply
    1,500,070,858.32x = 2,069,901,472.68 × 865,014,805.92
  4. Step 4: Simplify right side
    1,500,070,858.32x = 1,790,495,420,663,812,352
  5. Step 5: Solve for x
    x = 1,790,495,420,663,812,352/1,500,070,858.32
  6. Step 6: Final answer
    x = 1,193,607,229.11

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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.