Home / 458,842,059.27-688,262,465.61-213,064,297.92

Finding the Fourth Proportional to 458,842,059.27, 688,262,465.61 and 213,064,297.92

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Solution

The fourth proportional to 458,842,059.27, 688,262,465.61 and 213,064,297.92 is: 319,596,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,842,059.27 : 688,262,465.61 = 213,064,297.92 : x
  2. Step 2: Convert to fraction form
    458,842,059.27/688,262,465.61 = 213,064,297.92/x
  3. Step 3: Cross multiply
    458,842,059.27x = 688,262,465.61 × 213,064,297.92
  4. Step 4: Simplify right side
    458,842,059.27x = 146,644,159,019,882,784
  5. Step 5: Solve for x
    x = 146,644,159,019,882,784/458,842,059.27
  6. Step 6: Final answer
    x = 319,596,157.45

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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.