Home / 888,519,211.40-1,332,778,817.10-429,354,187.40

Finding the Fourth Proportional to 888,519,211.40, 1,332,778,817.10 and 429,354,187.40

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Solution

The fourth proportional to 888,519,211.40, 1,332,778,817.10 and 429,354,187.40 is: 644,031,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,519,211.40 : 1,332,778,817.10 = 429,354,187.40 : x
  2. Step 2: Convert to fraction form
    888,519,211.40/1,332,778,817.10 = 429,354,187.40/x
  3. Step 3: Cross multiply
    888,519,211.40x = 1,332,778,817.10 × 429,354,187.40
  4. Step 4: Simplify right side
    888,519,211.40x = 572,234,165,999,903,680
  5. Step 5: Solve for x
    x = 572,234,165,999,903,680/888,519,211.40
  6. Step 6: Final answer
    x = 644,031,281.10

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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.