Home / 640,872,001.80-961,308,002.70-597,873,832.20

Finding the Fourth Proportional to 640,872,001.80, 961,308,002.70 and 597,873,832.20

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Solution

The fourth proportional to 640,872,001.80, 961,308,002.70 and 597,873,832.20 is: 896,810,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,872,001.80 : 961,308,002.70 = 597,873,832.20 : x
  2. Step 2: Convert to fraction form
    640,872,001.80/961,308,002.70 = 597,873,832.20/x
  3. Step 3: Cross multiply
    640,872,001.80x = 961,308,002.70 × 597,873,832.20
  4. Step 4: Simplify right side
    640,872,001.80x = 574,740,899,498,777,024
  5. Step 5: Solve for x
    x = 574,740,899,498,777,024/640,872,001.80
  6. Step 6: Final answer
    x = 896,810,748.30

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1.5x scale

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.