Home / 639,397,204.90-959,095,807.35-432,772,944.10

Finding the Fourth Proportional to 639,397,204.90, 959,095,807.35 and 432,772,944.10

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Solution

The fourth proportional to 639,397,204.90, 959,095,807.35 and 432,772,944.10 is: 649,159,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,397,204.90 : 959,095,807.35 = 432,772,944.10 : x
  2. Step 2: Convert to fraction form
    639,397,204.90/959,095,807.35 = 432,772,944.10/x
  3. Step 3: Cross multiply
    639,397,204.90x = 959,095,807.35 × 432,772,944.10
  4. Step 4: Simplify right side
    639,397,204.90x = 415,070,716,220,825,984
  5. Step 5: Solve for x
    x = 415,070,716,220,825,984/639,397,204.90
  6. Step 6: Final answer
    x = 649,159,416.15

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Double scale
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Similar ratio
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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.