Home / 1,361,878,480.20-2,038,513,048.20-974,457,991.20

Finding the Fourth Proportional to 1,361,878,480.20, 2,038,513,048.20 and 974,457,991.20

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Solution

The fourth proportional to 1,361,878,480.20, 2,038,513,048.20 and 974,457,991.20 is: 1,458,606,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,878,480.20 : 2,038,513,048.20 = 974,457,991.20 : x
  2. Step 2: Convert to fraction form
    1,361,878,480.20/2,038,513,048.20 = 974,457,991.20/x
  3. Step 3: Cross multiply
    1,361,878,480.20x = 2,038,513,048.20 × 974,457,991.20
  4. Step 4: Simplify right side
    1,361,878,480.20x = 1,986,445,329,983,960,832
  5. Step 5: Solve for x
    x = 1,986,445,329,983,960,832/1,361,878,480.20
  6. Step 6: Final answer
    x = 1,458,606,886.64

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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.