Home / 1,102,291,445.20-1,653,437,167.80-666,084,672.40

Finding the Fourth Proportional to 1,102,291,445.20, 1,653,437,167.80 and 666,084,672.40

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Solution

The fourth proportional to 1,102,291,445.20, 1,653,437,167.80 and 666,084,672.40 is: 999,127,008.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,291,445.20 : 1,653,437,167.80 = 666,084,672.40 : x
  2. Step 2: Convert to fraction form
    1,102,291,445.20/1,653,437,167.80 = 666,084,672.40/x
  3. Step 3: Cross multiply
    1,102,291,445.20x = 1,653,437,167.80 × 666,084,672.40
  4. Step 4: Simplify right side
    1,102,291,445.20x = 1,101,329,154,248,046,720
  5. Step 5: Solve for x
    x = 1,101,329,154,248,046,720/1,102,291,445.20
  6. Step 6: Final answer
    x = 999,127,008.60

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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.