Home / 763,884,294.80-1,145,826,530.97-239,294,276.03

Finding the Fourth Proportional to 763,884,294.80, 1,145,826,530.97 and 239,294,276.03

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Solution

The fourth proportional to 763,884,294.80, 1,145,826,530.97 and 239,294,276.03 is: 358,941,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,884,294.80 : 1,145,826,530.97 = 239,294,276.03 : x
  2. Step 2: Convert to fraction form
    763,884,294.80/1,145,826,530.97 = 239,294,276.03/x
  3. Step 3: Cross multiply
    763,884,294.80x = 1,145,826,530.97 × 239,294,276.03
  4. Step 4: Simplify right side
    763,884,294.80x = 274,189,730,184,432,544
  5. Step 5: Solve for x
    x = 274,189,730,184,432,544/763,884,294.80
  6. Step 6: Final answer
    x = 358,941,441.85

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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.