Home / 1,381,427,084.16-1,906,563,821.76-879,475,527.36

Finding the Fourth Proportional to 1,381,427,084.16, 1,906,563,821.76 and 879,475,527.36

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Solution

The fourth proportional to 1,381,427,084.16, 1,906,563,821.76 and 879,475,527.36 is: 1,213,800,020.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,427,084.16 : 1,906,563,821.76 = 879,475,527.36 : x
  2. Step 2: Convert to fraction form
    1,381,427,084.16/1,906,563,821.76 = 879,475,527.36/x
  3. Step 3: Cross multiply
    1,381,427,084.16x = 1,906,563,821.76 × 879,475,527.36
  4. Step 4: Simplify right side
    1,381,427,084.16x = 1,676,776,222,587,873,024
  5. Step 5: Solve for x
    x = 1,676,776,222,587,873,024/1,381,427,084.16
  6. Step 6: Final answer
    x = 1,213,800,020.15

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1.5x scale

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.