Home / 898,150,218.60-1,347,225,327.90-509,822,999.40

Finding the Fourth Proportional to 898,150,218.60, 1,347,225,327.90 and 509,822,999.40

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Solution

The fourth proportional to 898,150,218.60, 1,347,225,327.90 and 509,822,999.40 is: 764,734,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,150,218.60 : 1,347,225,327.90 = 509,822,999.40 : x
  2. Step 2: Convert to fraction form
    898,150,218.60/1,347,225,327.90 = 509,822,999.40/x
  3. Step 3: Cross multiply
    898,150,218.60x = 1,347,225,327.90 × 509,822,999.40
  4. Step 4: Simplify right side
    898,150,218.60x = 686,846,457,537,626,496
  5. Step 5: Solve for x
    x = 686,846,457,537,626,496/898,150,218.60
  6. Step 6: Final answer
    x = 764,734,499.10

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1.5x scale

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.