Home / 511,754,727.55-767,634,340.21-162,002,513.66

Finding the Fourth Proportional to 511,754,727.55, 767,634,340.21 and 162,002,513.66

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Solution

The fourth proportional to 511,754,727.55, 767,634,340.21 and 162,002,513.66 is: 243,004,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,754,727.55 : 767,634,340.21 = 162,002,513.66 : x
  2. Step 2: Convert to fraction form
    511,754,727.55/767,634,340.21 = 162,002,513.66/x
  3. Step 3: Cross multiply
    511,754,727.55x = 767,634,340.21 × 162,002,513.66
  4. Step 4: Simplify right side
    511,754,727.55x = 124,358,692,684,583,184
  5. Step 5: Solve for x
    x = 124,358,692,684,583,184/511,754,727.55
  6. Step 6: Final answer
    x = 243,004,482.40

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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.