Home / 1,333,495,400.60-2,000,243,100.90-1,258,668,507.80

Finding the Fourth Proportional to 1,333,495,400.60, 2,000,243,100.90 and 1,258,668,507.80

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Solution

The fourth proportional to 1,333,495,400.60, 2,000,243,100.90 and 1,258,668,507.80 is: 1,888,002,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,495,400.60 : 2,000,243,100.90 = 1,258,668,507.80 : x
  2. Step 2: Convert to fraction form
    1,333,495,400.60/2,000,243,100.90 = 1,258,668,507.80/x
  3. Step 3: Cross multiply
    1,333,495,400.60x = 2,000,243,100.90 × 1,258,668,507.80
  4. Step 4: Simplify right side
    1,333,495,400.60x = 2,517,642,999,047,047,680
  5. Step 5: Solve for x
    x = 2,517,642,999,047,047,680/1,333,495,400.60
  6. Step 6: Final answer
    x = 1,888,002,761.70

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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.