Home / 426,098,340.60-637,803,818.10-412,661,412.60

Finding the Fourth Proportional to 426,098,340.60, 637,803,818.10 and 412,661,412.60

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Solution

The fourth proportional to 426,098,340.60, 637,803,818.10 and 412,661,412.60 is: 617,690,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,098,340.60 : 637,803,818.10 = 412,661,412.60 : x
  2. Step 2: Convert to fraction form
    426,098,340.60/637,803,818.10 = 412,661,412.60/x
  3. Step 3: Cross multiply
    426,098,340.60x = 637,803,818.10 × 412,661,412.60
  4. Step 4: Simplify right side
    426,098,340.60x = 263,197,024,538,819,488
  5. Step 5: Solve for x
    x = 263,197,024,538,819,488/426,098,340.60
  6. Step 6: Final answer
    x = 617,690,799.19

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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.