Home / 358,453,409.60-537,680,114.40-220,703,902.40

Finding the Fourth Proportional to 358,453,409.60, 537,680,114.40 and 220,703,902.40

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Solution

The fourth proportional to 358,453,409.60, 537,680,114.40 and 220,703,902.40 is: 331,055,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,453,409.60 : 537,680,114.40 = 220,703,902.40 : x
  2. Step 2: Convert to fraction form
    358,453,409.60/537,680,114.40 = 220,703,902.40/x
  3. Step 3: Cross multiply
    358,453,409.60x = 537,680,114.40 × 220,703,902.40
  4. Step 4: Simplify right side
    358,453,409.60x = 118,668,099,490,958,432
  5. Step 5: Solve for x
    x = 118,668,099,490,958,432/358,453,409.60
  6. Step 6: Final answer
    x = 331,055,853.60

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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.