Home / 659,302,001.20-988,953,001.80-314,928,233.20

Finding the Fourth Proportional to 659,302,001.20, 988,953,001.80 and 314,928,233.20

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Solution

The fourth proportional to 659,302,001.20, 988,953,001.80 and 314,928,233.20 is: 472,392,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,302,001.20 : 988,953,001.80 = 314,928,233.20 : x
  2. Step 2: Convert to fraction form
    659,302,001.20/988,953,001.80 = 314,928,233.20/x
  3. Step 3: Cross multiply
    659,302,001.20x = 988,953,001.80 × 314,928,233.20
  4. Step 4: Simplify right side
    659,302,001.20x = 311,449,221,574,710,400
  5. Step 5: Solve for x
    x = 311,449,221,574,710,400/659,302,001.20
  6. Step 6: Final answer
    x = 472,392,349.80

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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.