Home / 1,168,765,643.15-1,612,897,461.50-632,917,895.57

Finding the Fourth Proportional to 1,168,765,643.15, 1,612,897,461.50 and 632,917,895.57

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Solution

The fourth proportional to 1,168,765,643.15, 1,612,897,461.50 and 632,917,895.57 is: 873,427,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,765,643.15 : 1,612,897,461.50 = 632,917,895.57 : x
  2. Step 2: Convert to fraction form
    1,168,765,643.15/1,612,897,461.50 = 632,917,895.57/x
  3. Step 3: Cross multiply
    1,168,765,643.15x = 1,612,897,461.50 × 632,917,895.57
  4. Step 4: Simplify right side
    1,168,765,643.15x = 1,020,831,667,091,545,984
  5. Step 5: Solve for x
    x = 1,020,831,667,091,545,984/1,168,765,643.15
  6. Step 6: Final answer
    x = 873,427,169.15

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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.