Home / 458,842,052.52-688,262,455.49-213,064,291.17

Finding the Fourth Proportional to 458,842,052.52, 688,262,455.49 and 213,064,291.17

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Solution

The fourth proportional to 458,842,052.52, 688,262,455.49 and 213,064,291.17 is: 319,596,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,842,052.52 : 688,262,455.49 = 213,064,291.17 : x
  2. Step 2: Convert to fraction form
    458,842,052.52/688,262,455.49 = 213,064,291.17/x
  3. Step 3: Cross multiply
    458,842,052.52x = 688,262,455.49 × 213,064,291.17
  4. Step 4: Simplify right side
    458,842,052.52x = 146,644,152,216,835,200
  5. Step 5: Solve for x
    x = 146,644,152,216,835,200/458,842,052.52
  6. Step 6: Final answer
    x = 319,596,147.33

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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.