Home / 1,177,348,811.10-1,766,023,216.65-359,354,823.90

Finding the Fourth Proportional to 1,177,348,811.10, 1,766,023,216.65 and 359,354,823.90

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Solution

The fourth proportional to 1,177,348,811.10, 1,766,023,216.65 and 359,354,823.90 is: 539,032,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,348,811.10 : 1,766,023,216.65 = 359,354,823.90 : x
  2. Step 2: Convert to fraction form
    1,177,348,811.10/1,766,023,216.65 = 359,354,823.90/x
  3. Step 3: Cross multiply
    1,177,348,811.10x = 1,766,023,216.65 × 359,354,823.90
  4. Step 4: Simplify right side
    1,177,348,811.10x = 634,628,962,022,572,288
  5. Step 5: Solve for x
    x = 634,628,962,022,572,288/1,177,348,811.10
  6. Step 6: Final answer
    x = 539,032,235.85

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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.