Home / 531,690,904.20-798,357,501.90-289,826,200.20

Finding the Fourth Proportional to 531,690,904.20, 798,357,501.90 and 289,826,200.20

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Solution

The fourth proportional to 531,690,904.20, 798,357,501.90 and 289,826,200.20 is: 435,186,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,690,904.20 : 798,357,501.90 = 289,826,200.20 : x
  2. Step 2: Convert to fraction form
    531,690,904.20/798,357,501.90 = 289,826,200.20/x
  3. Step 3: Cross multiply
    531,690,904.20x = 798,357,501.90 × 289,826,200.20
  4. Step 4: Simplify right side
    531,690,904.20x = 231,384,921,176,841,248
  5. Step 5: Solve for x
    x = 231,384,921,176,841,248/531,690,904.20
  6. Step 6: Final answer
    x = 435,186,909.07

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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.