Home / 572,508,066.30-858,762,099.45-391,109,538.30

Finding the Fourth Proportional to 572,508,066.30, 858,762,099.45 and 391,109,538.30

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Solution

The fourth proportional to 572,508,066.30, 858,762,099.45 and 391,109,538.30 is: 586,664,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,508,066.30 : 858,762,099.45 = 391,109,538.30 : x
  2. Step 2: Convert to fraction form
    572,508,066.30/858,762,099.45 = 391,109,538.30/x
  3. Step 3: Cross multiply
    572,508,066.30x = 858,762,099.45 × 391,109,538.30
  4. Step 4: Simplify right side
    572,508,066.30x = 335,870,048,225,428,224
  5. Step 5: Solve for x
    x = 335,870,048,225,428,224/572,508,066.30
  6. Step 6: Final answer
    x = 586,664,307.45

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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.