Home / 1,260,940,875.20-1,888,226,263.20-827,774,129.60

Finding the Fourth Proportional to 1,260,940,875.20, 1,888,226,263.20 and 827,774,129.60

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Solution

The fourth proportional to 1,260,940,875.20, 1,888,226,263.20 and 827,774,129.60 is: 1,239,570,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,940,875.20 : 1,888,226,263.20 = 827,774,129.60 : x
  2. Step 2: Convert to fraction form
    1,260,940,875.20/1,888,226,263.20 = 827,774,129.60/x
  3. Step 3: Cross multiply
    1,260,940,875.20x = 1,888,226,263.20 × 827,774,129.60
  4. Step 4: Simplify right side
    1,260,940,875.20x = 1,563,024,851,508,240,640
  5. Step 5: Solve for x
    x = 1,563,024,851,508,240,640/1,260,940,875.20
  6. Step 6: Final answer
    x = 1,239,570,294.10

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1.5x scale

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.