Home / 526,849,969.20-790,274,953.80-497,288,727.60

Finding the Fourth Proportional to 526,849,969.20, 790,274,953.80 and 497,288,727.60

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Solution

The fourth proportional to 526,849,969.20, 790,274,953.80 and 497,288,727.60 is: 745,933,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,849,969.20 : 790,274,953.80 = 497,288,727.60 : x
  2. Step 2: Convert to fraction form
    526,849,969.20/790,274,953.80 = 497,288,727.60/x
  3. Step 3: Cross multiply
    526,849,969.20x = 790,274,953.80 × 497,288,727.60
  4. Step 4: Simplify right side
    526,849,969.20x = 392,994,826,229,350,784
  5. Step 5: Solve for x
    x = 392,994,826,229,350,784/526,849,969.20
  6. Step 6: Final answer
    x = 745,933,091.40

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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.