Home / 1,037,246,423.55-1,555,872,270.66-423,830,649.30

Finding the Fourth Proportional to 1,037,246,423.55, 1,555,872,270.66 and 423,830,649.30

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Solution

The fourth proportional to 1,037,246,423.55, 1,555,872,270.66 and 423,830,649.30 is: 635,747,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,246,423.55 : 1,555,872,270.66 = 423,830,649.30 : x
  2. Step 2: Convert to fraction form
    1,037,246,423.55/1,555,872,270.66 = 423,830,649.30/x
  3. Step 3: Cross multiply
    1,037,246,423.55x = 1,555,872,270.66 × 423,830,649.30
  4. Step 4: Simplify right side
    1,037,246,423.55x = 659,426,354,701,693,184
  5. Step 5: Solve for x
    x = 659,426,354,701,693,184/1,037,246,423.55
  6. Step 6: Final answer
    x = 635,747,050.78

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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.