Home / 748,944,327.60-1,122,968,593.80-386,147,271.60

Finding the Fourth Proportional to 748,944,327.60, 1,122,968,593.80 and 386,147,271.60

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Solution

The fourth proportional to 748,944,327.60, 1,122,968,593.80 and 386,147,271.60 is: 578,989,976.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,944,327.60 : 1,122,968,593.80 = 386,147,271.60 : x
  2. Step 2: Convert to fraction form
    748,944,327.60/1,122,968,593.80 = 386,147,271.60/x
  3. Step 3: Cross multiply
    748,944,327.60x = 1,122,968,593.80 × 386,147,271.60
  4. Step 4: Simplify right side
    748,944,327.60x = 433,631,258,588,358,656
  5. Step 5: Solve for x
    x = 433,631,258,588,358,656/748,944,327.60
  6. Step 6: Final answer
    x = 578,989,976.44

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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.