Home / 614,350,068.60-921,525,102.90-407,725,807.80

Finding the Fourth Proportional to 614,350,068.60, 921,525,102.90 and 407,725,807.80

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Solution

The fourth proportional to 614,350,068.60, 921,525,102.90 and 407,725,807.80 is: 611,588,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,350,068.60 : 921,525,102.90 = 407,725,807.80 : x
  2. Step 2: Convert to fraction form
    614,350,068.60/921,525,102.90 = 407,725,807.80/x
  3. Step 3: Cross multiply
    614,350,068.60x = 921,525,102.90 × 407,725,807.80
  4. Step 4: Simplify right side
    614,350,068.60x = 375,729,566,987,880,640
  5. Step 5: Solve for x
    x = 375,729,566,987,880,640/614,350,068.60
  6. Step 6: Final answer
    x = 611,588,711.70

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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.