Home / 354,314,809.60-531,472,214.40-296,983,916.80

Finding the Fourth Proportional to 354,314,809.60, 531,472,214.40 and 296,983,916.80

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Solution

The fourth proportional to 354,314,809.60, 531,472,214.40 and 296,983,916.80 is: 445,475,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,314,809.60 : 531,472,214.40 = 296,983,916.80 : x
  2. Step 2: Convert to fraction form
    354,314,809.60/531,472,214.40 = 296,983,916.80/x
  3. Step 3: Cross multiply
    354,314,809.60x = 531,472,214.40 × 296,983,916.80
  4. Step 4: Simplify right side
    354,314,809.60x = 157,838,699,902,881,376
  5. Step 5: Solve for x
    x = 157,838,699,902,881,376/354,314,809.60
  6. Step 6: Final answer
    x = 445,475,875.20

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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.