Home / 877,995,337.20-1,316,993,005.80-295,536,001.20

Finding the Fourth Proportional to 877,995,337.20, 1,316,993,005.80 and 295,536,001.20

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Solution

The fourth proportional to 877,995,337.20, 1,316,993,005.80 and 295,536,001.20 is: 443,304,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,995,337.20 : 1,316,993,005.80 = 295,536,001.20 : x
  2. Step 2: Convert to fraction form
    877,995,337.20/1,316,993,005.80 = 295,536,001.20/x
  3. Step 3: Cross multiply
    877,995,337.20x = 1,316,993,005.80 × 295,536,001.20
  4. Step 4: Simplify right side
    877,995,337.20x = 389,218,846,542,500,352
  5. Step 5: Solve for x
    x = 389,218,846,542,500,352/877,995,337.20
  6. Step 6: Final answer
    x = 443,304,001.80

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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.