Home / 514,475,341.52-709,982,428.50-279,529,925.63

Finding the Fourth Proportional to 514,475,341.52, 709,982,428.50 and 279,529,925.63

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Solution

The fourth proportional to 514,475,341.52, 709,982,428.50 and 279,529,925.63 is: 385,754,805.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,475,341.52 : 709,982,428.50 = 279,529,925.63 : x
  2. Step 2: Convert to fraction form
    514,475,341.52/709,982,428.50 = 279,529,925.63/x
  3. Step 3: Cross multiply
    514,475,341.52x = 709,982,428.50 × 279,529,925.63
  4. Step 4: Simplify right side
    514,475,341.52x = 198,461,335,433,661,888
  5. Step 5: Solve for x
    x = 198,461,335,433,661,888/514,475,341.52
  6. Step 6: Final answer
    x = 385,754,805.76

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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.