Home / 1,165,592,868.64-1,608,609,851.76-663,822,868.48

Finding the Fourth Proportional to 1,165,592,868.64, 1,608,609,851.76 and 663,822,868.48

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Solution

The fourth proportional to 1,165,592,868.64, 1,608,609,851.76 and 663,822,868.48 is: 916,127,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,592,868.64 : 1,608,609,851.76 = 663,822,868.48 : x
  2. Step 2: Convert to fraction form
    1,165,592,868.64/1,608,609,851.76 = 663,822,868.48/x
  3. Step 3: Cross multiply
    1,165,592,868.64x = 1,608,609,851.76 × 663,822,868.48
  4. Step 4: Simplify right side
    1,165,592,868.64x = 1,067,832,006,060,510,848
  5. Step 5: Solve for x
    x = 1,067,832,006,060,510,848/1,165,592,868.64
  6. Step 6: Final answer
    x = 916,127,779.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.