Home / 572,508,553.80-858,762,830.70-391,110,025.80

Finding the Fourth Proportional to 572,508,553.80, 858,762,830.70 and 391,110,025.80

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Solution

The fourth proportional to 572,508,553.80, 858,762,830.70 and 391,110,025.80 is: 586,665,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,508,553.80 : 858,762,830.70 = 391,110,025.80 : x
  2. Step 2: Convert to fraction form
    572,508,553.80/858,762,830.70 = 391,110,025.80/x
  3. Step 3: Cross multiply
    572,508,553.80x = 858,762,830.70 × 391,110,025.80
  4. Step 4: Simplify right side
    572,508,553.80x = 335,870,752,871,158,080
  5. Step 5: Solve for x
    x = 335,870,752,871,158,080/572,508,553.80
  6. Step 6: Final answer
    x = 586,665,038.70

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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.