Home / 514,788,398.33-710,402,942.70-279,825,079.01

Finding the Fourth Proportional to 514,788,398.33, 710,402,942.70 and 279,825,079.01

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Solution

The fourth proportional to 514,788,398.33, 710,402,942.70 and 279,825,079.01 is: 386,155,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,788,398.33 : 710,402,942.70 = 279,825,079.01 : x
  2. Step 2: Convert to fraction form
    514,788,398.33/710,402,942.70 = 279,825,079.01/x
  3. Step 3: Cross multiply
    514,788,398.33x = 710,402,942.70 × 279,825,079.01
  4. Step 4: Simplify right side
    514,788,398.33x = 198,788,559,566,412,000
  5. Step 5: Solve for x
    x = 198,788,559,566,412,000/514,788,398.33
  6. Step 6: Final answer
    x = 386,155,865.62

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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.