Home / 424,281,908-636,421,047.60-117,573,140

Finding the Fourth Proportional to 424,281,908, 636,421,047.60 and 117,573,140

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Solution

The fourth proportional to 424,281,908, 636,421,047.60 and 117,573,140 is: 176,359,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,281,908 : 636,421,047.60 = 117,573,140 : x
  2. Step 2: Convert to fraction form
    424,281,908/636,421,047.60 = 117,573,140/x
  3. Step 3: Cross multiply
    424,281,908x = 636,421,047.60 × 117,573,140
  4. Step 4: Simplify right side
    424,281,908x = 74,826,020,928,421,472
  5. Step 5: Solve for x
    x = 74,826,020,928,421,472/424,281,908
  6. Step 6: Final answer
    x = 176,359,207.21

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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.