Home / 992,712,325.72-1,369,898,819.04-569,022,243.16

Finding the Fourth Proportional to 992,712,325.72, 1,369,898,819.04 and 569,022,243.16

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Solution

The fourth proportional to 992,712,325.72, 1,369,898,819.04 and 569,022,243.16 is: 785,225,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,712,325.72 : 1,369,898,819.04 = 569,022,243.16 : x
  2. Step 2: Convert to fraction form
    992,712,325.72/1,369,898,819.04 = 569,022,243.16/x
  3. Step 3: Cross multiply
    992,712,325.72x = 1,369,898,819.04 × 569,022,243.16
  4. Step 4: Simplify right side
    992,712,325.72x = 779,502,898,912,375,680
  5. Step 5: Solve for x
    x = 779,502,898,912,375,680/992,712,325.72
  6. Step 6: Final answer
    x = 785,225,365.61

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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.