Home / 462,745,272.18-638,600,225.16-253,901,359.47

Finding the Fourth Proportional to 462,745,272.18, 638,600,225.16 and 253,901,359.47

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Solution

The fourth proportional to 462,745,272.18, 638,600,225.16 and 253,901,359.47 is: 350,390,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,745,272.18 : 638,600,225.16 = 253,901,359.47 : x
  2. Step 2: Convert to fraction form
    462,745,272.18/638,600,225.16 = 253,901,359.47/x
  3. Step 3: Cross multiply
    462,745,272.18x = 638,600,225.16 × 253,901,359.47
  4. Step 4: Simplify right side
    462,745,272.18x = 162,141,465,325,972,096
  5. Step 5: Solve for x
    x = 162,141,465,325,972,096/462,745,272.18
  6. Step 6: Final answer
    x = 350,390,322.87

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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.