Home / 358,520,220.60-537,780,330.90-355,118,998.20

Finding the Fourth Proportional to 358,520,220.60, 537,780,330.90 and 355,118,998.20

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Solution

The fourth proportional to 358,520,220.60, 537,780,330.90 and 355,118,998.20 is: 532,678,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,520,220.60 : 537,780,330.90 = 355,118,998.20 : x
  2. Step 2: Convert to fraction form
    358,520,220.60/537,780,330.90 = 355,118,998.20/x
  3. Step 3: Cross multiply
    358,520,220.60x = 537,780,330.90 × 355,118,998.20
  4. Step 4: Simplify right side
    358,520,220.60x = 190,976,012,360,872,480
  5. Step 5: Solve for x
    x = 190,976,012,360,872,480/358,520,220.60
  6. Step 6: Final answer
    x = 532,678,497.30

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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.