Home / 614,350,046.10-921,525,069.15-407,725,785.30

Finding the Fourth Proportional to 614,350,046.10, 921,525,069.15 and 407,725,785.30

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Solution

The fourth proportional to 614,350,046.10, 921,525,069.15 and 407,725,785.30 is: 611,588,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,350,046.10 : 921,525,069.15 = 407,725,785.30 : x
  2. Step 2: Convert to fraction form
    614,350,046.10/921,525,069.15 = 407,725,785.30/x
  3. Step 3: Cross multiply
    614,350,046.10x = 921,525,069.15 × 407,725,785.30
  4. Step 4: Simplify right side
    614,350,046.10x = 375,729,532,492,820,544
  5. Step 5: Solve for x
    x = 375,729,532,492,820,544/614,350,046.10
  6. Step 6: Final answer
    x = 611,588,677.95

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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.