Home / 1,821,381,188.19-2,513,506,851.23-986,005,731.75

Finding the Fourth Proportional to 1,821,381,188.19, 2,513,506,851.23 and 986,005,731.75

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Solution

The fourth proportional to 1,821,381,188.19, 2,513,506,851.23 and 986,005,731.75 is: 1,360,688,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,381,188.19 : 2,513,506,851.23 = 986,005,731.75 : x
  2. Step 2: Convert to fraction form
    1,821,381,188.19/2,513,506,851.23 = 986,005,731.75/x
  3. Step 3: Cross multiply
    1,821,381,188.19x = 2,513,506,851.23 × 986,005,731.75
  4. Step 4: Simplify right side
    1,821,381,188.19x = 2,478,332,162,100,744,192
  5. Step 5: Solve for x
    x = 2,478,332,162,100,744,192/1,821,381,188.19
  6. Step 6: Final answer
    x = 1,360,688,349.13

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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.