Home / 331,780,809.60-497,671,214.40-210,748,924.80

Finding the Fourth Proportional to 331,780,809.60, 497,671,214.40 and 210,748,924.80

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Solution

The fourth proportional to 331,780,809.60, 497,671,214.40 and 210,748,924.80 is: 316,123,387.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,780,809.60 : 497,671,214.40 = 210,748,924.80 : x
  2. Step 2: Convert to fraction form
    331,780,809.60/497,671,214.40 = 210,748,924.80/x
  3. Step 3: Cross multiply
    331,780,809.60x = 497,671,214.40 × 210,748,924.80
  4. Step 4: Simplify right side
    331,780,809.60x = 104,883,673,338,710,272
  5. Step 5: Solve for x
    x = 104,883,673,338,710,272/331,780,809.60
  6. Step 6: Final answer
    x = 316,123,387.20

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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.