Home / 338,959,931.60-508,439,897.40-108,952,266.80

Finding the Fourth Proportional to 338,959,931.60, 508,439,897.40 and 108,952,266.80

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Solution

The fourth proportional to 338,959,931.60, 508,439,897.40 and 108,952,266.80 is: 163,428,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,959,931.60 : 508,439,897.40 = 108,952,266.80 : x
  2. Step 2: Convert to fraction form
    338,959,931.60/508,439,897.40 = 108,952,266.80/x
  3. Step 3: Cross multiply
    338,959,931.60x = 508,439,897.40 × 108,952,266.80
  4. Step 4: Simplify right side
    338,959,931.60x = 55,395,679,353,289,424
  5. Step 5: Solve for x
    x = 55,395,679,353,289,424/338,959,931.60
  6. Step 6: Final answer
    x = 163,428,400.20

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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.