Home / 766,933,666.80-1,150,400,500.20-532,249,321.20

Finding the Fourth Proportional to 766,933,666.80, 1,150,400,500.20 and 532,249,321.20

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Solution

The fourth proportional to 766,933,666.80, 1,150,400,500.20 and 532,249,321.20 is: 798,373,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,933,666.80 : 1,150,400,500.20 = 532,249,321.20 : x
  2. Step 2: Convert to fraction form
    766,933,666.80/1,150,400,500.20 = 532,249,321.20/x
  3. Step 3: Cross multiply
    766,933,666.80x = 1,150,400,500.20 × 532,249,321.20
  4. Step 4: Simplify right side
    766,933,666.80x = 612,299,885,339,590,528
  5. Step 5: Solve for x
    x = 612,299,885,339,590,528/766,933,666.80
  6. Step 6: Final answer
    x = 798,373,981.80

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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.