Home / 764,121,316.74-1,145,012,849.37-514,201,041.24

Finding the Fourth Proportional to 764,121,316.74, 1,145,012,849.37 and 514,201,041.24

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Solution

The fourth proportional to 764,121,316.74, 1,145,012,849.37 and 514,201,041.24 is: 770,514,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,121,316.74 : 1,145,012,849.37 = 514,201,041.24 : x
  2. Step 2: Convert to fraction form
    764,121,316.74/1,145,012,849.37 = 514,201,041.24/x
  3. Step 3: Cross multiply
    764,121,316.74x = 1,145,012,849.37 × 514,201,041.24
  4. Step 4: Simplify right side
    764,121,316.74x = 588,766,799,379,233,280
  5. Step 5: Solve for x
    x = 588,766,799,379,233,280/764,121,316.74
  6. Step 6: Final answer
    x = 770,514,820.72

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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.