Home / 574,944,985.20-862,417,477.80-211,364,108.40

Finding the Fourth Proportional to 574,944,985.20, 862,417,477.80 and 211,364,108.40

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Solution

The fourth proportional to 574,944,985.20, 862,417,477.80 and 211,364,108.40 is: 317,046,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,944,985.20 : 862,417,477.80 = 211,364,108.40 : x
  2. Step 2: Convert to fraction form
    574,944,985.20/862,417,477.80 = 211,364,108.40/x
  3. Step 3: Cross multiply
    574,944,985.20x = 862,417,477.80 × 211,364,108.40
  4. Step 4: Simplify right side
    574,944,985.20x = 182,284,101,263,773,792
  5. Step 5: Solve for x
    x = 182,284,101,263,773,792/574,944,985.20
  6. Step 6: Final answer
    x = 317,046,162.60

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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.