Home / 932,461,953.44-1,286,763,789.12-514,765,287.68

Finding the Fourth Proportional to 932,461,953.44, 1,286,763,789.12 and 514,765,287.68

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Solution

The fourth proportional to 932,461,953.44, 1,286,763,789.12 and 514,765,287.68 is: 710,357,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,461,953.44 : 1,286,763,789.12 = 514,765,287.68 : x
  2. Step 2: Convert to fraction form
    932,461,953.44/1,286,763,789.12 = 514,765,287.68/x
  3. Step 3: Cross multiply
    932,461,953.44x = 1,286,763,789.12 × 514,765,287.68
  4. Step 4: Simplify right side
    932,461,953.44x = 662,381,332,082,563,584
  5. Step 5: Solve for x
    x = 662,381,332,082,563,584/932,461,953.44
  6. Step 6: Final answer
    x = 710,357,489.27

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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.