Home / 1,327,104,025.60-1,990,656,038.40-357,853,619.20

Finding the Fourth Proportional to 1,327,104,025.60, 1,990,656,038.40 and 357,853,619.20

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Solution

The fourth proportional to 1,327,104,025.60, 1,990,656,038.40 and 357,853,619.20 is: 536,780,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,104,025.60 : 1,990,656,038.40 = 357,853,619.20 : x
  2. Step 2: Convert to fraction form
    1,327,104,025.60/1,990,656,038.40 = 357,853,619.20/x
  3. Step 3: Cross multiply
    1,327,104,025.60x = 1,990,656,038.40 × 357,853,619.20
  4. Step 4: Simplify right side
    1,327,104,025.60x = 712,363,467,923,774,208
  5. Step 5: Solve for x
    x = 712,363,467,923,774,208/1,327,104,025.60
  6. Step 6: Final answer
    x = 536,780,428.80

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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.