Home / 1,333,495,400.10-2,000,243,100.15-1,258,668,507.30

Finding the Fourth Proportional to 1,333,495,400.10, 2,000,243,100.15 and 1,258,668,507.30

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Solution

The fourth proportional to 1,333,495,400.10, 2,000,243,100.15 and 1,258,668,507.30 is: 1,888,002,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,495,400.10 : 2,000,243,100.15 = 1,258,668,507.30 : x
  2. Step 2: Convert to fraction form
    1,333,495,400.10/2,000,243,100.15 = 1,258,668,507.30/x
  3. Step 3: Cross multiply
    1,333,495,400.10x = 2,000,243,100.15 × 1,258,668,507.30
  4. Step 4: Simplify right side
    1,333,495,400.10x = 2,517,642,997,102,924,800
  5. Step 5: Solve for x
    x = 2,517,642,997,102,924,800/1,333,495,400.10
  6. Step 6: Final answer
    x = 1,888,002,760.95

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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.