Home / 1,127,916,409.62-1,691,184,766.52-537,887,111.78

Finding the Fourth Proportional to 1,127,916,409.62, 1,691,184,766.52 and 537,887,111.78

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Solution

The fourth proportional to 1,127,916,409.62, 1,691,184,766.52 and 537,887,111.78 is: 806,501,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,916,409.62 : 1,691,184,766.52 = 537,887,111.78 : x
  2. Step 2: Convert to fraction form
    1,127,916,409.62/1,691,184,766.52 = 537,887,111.78/x
  3. Step 3: Cross multiply
    1,127,916,409.62x = 1,691,184,766.52 × 537,887,111.78
  4. Step 4: Simplify right side
    1,127,916,409.62x = 909,666,489,549,776,384
  5. Step 5: Solve for x
    x = 909,666,489,549,776,384/1,127,916,409.62
  6. Step 6: Final answer
    x = 806,501,689.12

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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.