Home / 1,170,423,400.08-1,754,406,132.30-393,799,438.92

Finding the Fourth Proportional to 1,170,423,400.08, 1,754,406,132.30 and 393,799,438.92

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Solution

The fourth proportional to 1,170,423,400.08, 1,754,406,132.30 and 393,799,438.92 is: 590,285,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,423,400.08 : 1,754,406,132.30 = 393,799,438.92 : x
  2. Step 2: Convert to fraction form
    1,170,423,400.08/1,754,406,132.30 = 393,799,438.92/x
  3. Step 3: Cross multiply
    1,170,423,400.08x = 1,754,406,132.30 × 393,799,438.92
  4. Step 4: Simplify right side
    1,170,423,400.08x = 690,884,150,537,547,264
  5. Step 5: Solve for x
    x = 690,884,150,537,547,264/1,170,423,400.08
  6. Step 6: Final answer
    x = 590,285,661.15

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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.