Home / 572,508,115.80-858,762,173.70-391,109,587.80

Finding the Fourth Proportional to 572,508,115.80, 858,762,173.70 and 391,109,587.80

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Solution

The fourth proportional to 572,508,115.80, 858,762,173.70 and 391,109,587.80 is: 586,664,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,508,115.80 : 858,762,173.70 = 391,109,587.80 : x
  2. Step 2: Convert to fraction form
    572,508,115.80/858,762,173.70 = 391,109,587.80/x
  3. Step 3: Cross multiply
    572,508,115.80x = 858,762,173.70 × 391,109,587.80
  4. Step 4: Simplify right side
    572,508,115.80x = 335,870,119,774,039,040
  5. Step 5: Solve for x
    x = 335,870,119,774,039,040/572,508,115.80
  6. Step 6: Final answer
    x = 586,664,381.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.