Home / 1,177,348,812.60-1,766,023,218.90-359,354,825.40

Finding the Fourth Proportional to 1,177,348,812.60, 1,766,023,218.90 and 359,354,825.40

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Solution

The fourth proportional to 1,177,348,812.60, 1,766,023,218.90 and 359,354,825.40 is: 539,032,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,348,812.60 : 1,766,023,218.90 = 359,354,825.40 : x
  2. Step 2: Convert to fraction form
    1,177,348,812.60/1,766,023,218.90 = 359,354,825.40/x
  3. Step 3: Cross multiply
    1,177,348,812.60x = 1,766,023,218.90 × 359,354,825.40
  4. Step 4: Simplify right side
    1,177,348,812.60x = 634,628,965,480,155,520
  5. Step 5: Solve for x
    x = 634,628,965,480,155,520/1,177,348,812.60
  6. Step 6: Final answer
    x = 539,032,238.10

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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.