Home / 897,176,932.57-1,238,052,510.75-500,668,802.47

Finding the Fourth Proportional to 897,176,932.57, 1,238,052,510.75 and 500,668,802.47

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Solution

The fourth proportional to 897,176,932.57, 1,238,052,510.75 and 500,668,802.47 is: 690,894,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,176,932.57 : 1,238,052,510.75 = 500,668,802.47 : x
  2. Step 2: Convert to fraction form
    897,176,932.57/1,238,052,510.75 = 500,668,802.47/x
  3. Step 3: Cross multiply
    897,176,932.57x = 1,238,052,510.75 × 500,668,802.47
  4. Step 4: Simplify right side
    897,176,932.57x = 619,854,267,952,775,552
  5. Step 5: Solve for x
    x = 619,854,267,952,775,552/897,176,932.57
  6. Step 6: Final answer
    x = 690,894,120.71

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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.