Home / 679,824,078.60-1,019,736,117.90-627,672,001.80

Finding the Fourth Proportional to 679,824,078.60, 1,019,736,117.90 and 627,672,001.80

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Solution

The fourth proportional to 679,824,078.60, 1,019,736,117.90 and 627,672,001.80 is: 941,508,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,824,078.60 : 1,019,736,117.90 = 627,672,001.80 : x
  2. Step 2: Convert to fraction form
    679,824,078.60/1,019,736,117.90 = 627,672,001.80/x
  3. Step 3: Cross multiply
    679,824,078.60x = 1,019,736,117.90 × 627,672,001.80
  4. Step 4: Simplify right side
    679,824,078.60x = 640,059,810,430,053,760
  5. Step 5: Solve for x
    x = 640,059,810,430,053,760/679,824,078.60
  6. Step 6: Final answer
    x = 941,508,002.70

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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.