Home / 912,384,003.60-1,368,576,005.40-740,391,325.20

Finding the Fourth Proportional to 912,384,003.60, 1,368,576,005.40 and 740,391,325.20

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Solution

The fourth proportional to 912,384,003.60, 1,368,576,005.40 and 740,391,325.20 is: 1,110,586,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,384,003.60 : 1,368,576,005.40 = 740,391,325.20 : x
  2. Step 2: Convert to fraction form
    912,384,003.60/1,368,576,005.40 = 740,391,325.20/x
  3. Step 3: Cross multiply
    912,384,003.60x = 1,368,576,005.40 × 740,391,325.20
  4. Step 4: Simplify right side
    912,384,003.60x = 1,013,281,802,275,028,480
  5. Step 5: Solve for x
    x = 1,013,281,802,275,028,480/912,384,003.60
  6. Step 6: Final answer
    x = 1,110,586,987.80

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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.