Home / 388,840,576.40-583,260,864.60-359,279,334.80

Finding the Fourth Proportional to 388,840,576.40, 583,260,864.60 and 359,279,334.80

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Solution

The fourth proportional to 388,840,576.40, 583,260,864.60 and 359,279,334.80 is: 538,919,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,840,576.40 : 583,260,864.60 = 359,279,334.80 : x
  2. Step 2: Convert to fraction form
    388,840,576.40/583,260,864.60 = 359,279,334.80/x
  3. Step 3: Cross multiply
    388,840,576.40x = 583,260,864.60 × 359,279,334.80
  4. Step 4: Simplify right side
    388,840,576.40x = 209,553,575,448,360,896
  5. Step 5: Solve for x
    x = 209,553,575,448,360,896/388,840,576.40
  6. Step 6: Final answer
    x = 538,919,002.20

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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.