Home / 1,812,974,430.60-2,719,461,645.90-1,261,976,401.80

Finding the Fourth Proportional to 1,812,974,430.60, 2,719,461,645.90 and 1,261,976,401.80

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Solution

The fourth proportional to 1,812,974,430.60, 2,719,461,645.90 and 1,261,976,401.80 is: 1,892,964,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,974,430.60 : 2,719,461,645.90 = 1,261,976,401.80 : x
  2. Step 2: Convert to fraction form
    1,812,974,430.60/2,719,461,645.90 = 1,261,976,401.80/x
  3. Step 3: Cross multiply
    1,812,974,430.60x = 2,719,461,645.90 × 1,261,976,401.80
  4. Step 4: Simplify right side
    1,812,974,430.60x = 3,431,896,422,725,987,840
  5. Step 5: Solve for x
    x = 3,431,896,422,725,987,840/1,812,974,430.60
  6. Step 6: Final answer
    x = 1,892,964,602.70

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Double scale
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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.