Home / 679,824,073.60-1,019,736,110.40-627,671,996.80

Finding the Fourth Proportional to 679,824,073.60, 1,019,736,110.40 and 627,671,996.80

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Solution

The fourth proportional to 679,824,073.60, 1,019,736,110.40 and 627,671,996.80 is: 941,507,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,824,073.60 : 1,019,736,110.40 = 627,671,996.80 : x
  2. Step 2: Convert to fraction form
    679,824,073.60/1,019,736,110.40 = 627,671,996.80/x
  3. Step 3: Cross multiply
    679,824,073.60x = 1,019,736,110.40 × 627,671,996.80
  4. Step 4: Simplify right side
    679,824,073.60x = 640,059,800,623,833,216
  5. Step 5: Solve for x
    x = 640,059,800,623,833,216/679,824,073.60
  6. Step 6: Final answer
    x = 941,507,995.20

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Double scale
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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.