Home / 514,788,401.32-710,402,946.84-279,825,082

Finding the Fourth Proportional to 514,788,401.32, 710,402,946.84 and 279,825,082

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Solution

The fourth proportional to 514,788,401.32, 710,402,946.84 and 279,825,082 is: 386,155,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,788,401.32 : 710,402,946.84 = 279,825,082 : x
  2. Step 2: Convert to fraction form
    514,788,401.32/710,402,946.84 = 279,825,082/x
  3. Step 3: Cross multiply
    514,788,401.32x = 710,402,946.84 × 279,825,082
  4. Step 4: Simplify right side
    514,788,401.32x = 198,788,562,852,544,640
  5. Step 5: Solve for x
    x = 198,788,562,852,544,640/514,788,401.32
  6. Step 6: Final answer
    x = 386,155,869.76

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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.