Home / 1,349,838,517.48-1,862,779,888.55-755,132,933.20

Finding the Fourth Proportional to 1,349,838,517.48, 1,862,779,888.55 and 755,132,933.20

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Solution

The fourth proportional to 1,349,838,517.48, 1,862,779,888.55 and 755,132,933.20 is: 1,042,084,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,838,517.48 : 1,862,779,888.55 = 755,132,933.20 : x
  2. Step 2: Convert to fraction form
    1,349,838,517.48/1,862,779,888.55 = 755,132,933.20/x
  3. Step 3: Cross multiply
    1,349,838,517.48x = 1,862,779,888.55 × 755,132,933.20
  4. Step 4: Simplify right side
    1,349,838,517.48x = 1,406,646,441,146,730,752
  5. Step 5: Solve for x
    x = 1,406,646,441,146,730,752/1,349,838,517.48
  6. Step 6: Final answer
    x = 1,042,084,977.52

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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.