Home / 1,043,892,948.72-1,439,234,987.76-855,025,465.80

Finding the Fourth Proportional to 1,043,892,948.72, 1,439,234,987.76 and 855,025,465.80

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Solution

The fourth proportional to 1,043,892,948.72, 1,439,234,987.76 and 855,025,465.80 is: 1,178,839,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,892,948.72 : 1,439,234,987.76 = 855,025,465.80 : x
  2. Step 2: Convert to fraction form
    1,043,892,948.72/1,439,234,987.76 = 855,025,465.80/x
  3. Step 3: Cross multiply
    1,043,892,948.72x = 1,439,234,987.76 × 855,025,465.80
  4. Step 4: Simplify right side
    1,043,892,948.72x = 1,230,582,565,805,151,232
  5. Step 5: Solve for x
    x = 1,230,582,565,805,151,232/1,043,892,948.72
  6. Step 6: Final answer
    x = 1,178,839,810.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.