Home / 7,287,046,809.21-10,056,129,341.63-3,945,547,355.13

Finding the Fourth Proportional to 7,287,046,809.21, 10,056,129,341.63 and 3,945,547,355.13

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Solution

The fourth proportional to 7,287,046,809.21, 10,056,129,341.63 and 3,945,547,355.13 is: 5,444,857,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,046,809.21 : 10,056,129,341.63 = 3,945,547,355.13 : x
  2. Step 2: Convert to fraction form
    7,287,046,809.21/10,056,129,341.63 = 3,945,547,355.13/x
  3. Step 3: Cross multiply
    7,287,046,809.21x = 10,056,129,341.63 × 3,945,547,355.13
  4. Step 4: Simplify right side
    7,287,046,809.21x = 39,676,934,526,693,711,872
  5. Step 5: Solve for x
    x = 39,676,934,526,693,711,872/7,287,046,809.21
  6. Step 6: Final answer
    x = 5,444,857,919.20

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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.