Home / 252,745,977.60-379,118,966.40-209,663,827.20

Finding the Fourth Proportional to 252,745,977.60, 379,118,966.40 and 209,663,827.20

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Solution

The fourth proportional to 252,745,977.60, 379,118,966.40 and 209,663,827.20 is: 314,495,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,745,977.60 : 379,118,966.40 = 209,663,827.20 : x
  2. Step 2: Convert to fraction form
    252,745,977.60/379,118,966.40 = 209,663,827.20/x
  3. Step 3: Cross multiply
    252,745,977.60x = 379,118,966.40 × 209,663,827.20
  4. Step 4: Simplify right side
    252,745,977.60x = 79,487,533,459,532,192
  5. Step 5: Solve for x
    x = 79,487,533,459,532,192/252,745,977.60
  6. Step 6: Final answer
    x = 314,495,740.80

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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.