Home / 615,190,944.60-922,039,920.90-355,908,000.60

Finding the Fourth Proportional to 615,190,944.60, 922,039,920.90 and 355,908,000.60

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Solution

The fourth proportional to 615,190,944.60, 922,039,920.90 and 355,908,000.60 is: 533,430,128.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,190,944.60 : 922,039,920.90 = 355,908,000.60 : x
  2. Step 2: Convert to fraction form
    615,190,944.60/922,039,920.90 = 355,908,000.60/x
  3. Step 3: Cross multiply
    615,190,944.60x = 922,039,920.90 × 355,908,000.60
  4. Step 4: Simplify right side
    615,190,944.60x = 328,161,384,720,901,184
  5. Step 5: Solve for x
    x = 328,161,384,720,901,184/615,190,944.60
  6. Step 6: Final answer
    x = 533,430,128.65

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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.