Home / 1,512,113,066.10-2,268,169,599.15-1,420,280,061.30

Finding the Fourth Proportional to 1,512,113,066.10, 2,268,169,599.15 and 1,420,280,061.30

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Solution

The fourth proportional to 1,512,113,066.10, 2,268,169,599.15 and 1,420,280,061.30 is: 2,130,420,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,113,066.10 : 2,268,169,599.15 = 1,420,280,061.30 : x
  2. Step 2: Convert to fraction form
    1,512,113,066.10/2,268,169,599.15 = 1,420,280,061.30/x
  3. Step 3: Cross multiply
    1,512,113,066.10x = 2,268,169,599.15 × 1,420,280,061.30
  4. Step 4: Simplify right side
    1,512,113,066.10x = 3,221,436,057,319,558,656
  5. Step 5: Solve for x
    x = 3,221,436,057,319,558,656/1,512,113,066.10
  6. Step 6: Final answer
    x = 2,130,420,091.95

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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.