Home / 1,155,917,627.60-1,595,167,369-627,281,618.80

Finding the Fourth Proportional to 1,155,917,627.60, 1,595,167,369 and 627,281,618.80

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Solution

The fourth proportional to 1,155,917,627.60, 1,595,167,369 and 627,281,618.80 is: 865,649,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,917,627.60 : 1,595,167,369 = 627,281,618.80 : x
  2. Step 2: Convert to fraction form
    1,155,917,627.60/1,595,167,369 = 627,281,618.80/x
  3. Step 3: Cross multiply
    1,155,917,627.60x = 1,595,167,369 × 627,281,618.80
  4. Step 4: Simplify right side
    1,155,917,627.60x = 1,000,619,169,483,256,832
  5. Step 5: Solve for x
    x = 1,000,619,169,483,256,832/1,155,917,627.60
  6. Step 6: Final answer
    x = 865,649,199.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.