Home / 748,944,328.60-1,122,968,595.30-386,147,272.60

Finding the Fourth Proportional to 748,944,328.60, 1,122,968,595.30 and 386,147,272.60

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Solution

The fourth proportional to 748,944,328.60, 1,122,968,595.30 and 386,147,272.60 is: 578,989,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,944,328.60 : 1,122,968,595.30 = 386,147,272.60 : x
  2. Step 2: Convert to fraction form
    748,944,328.60/1,122,968,595.30 = 386,147,272.60/x
  3. Step 3: Cross multiply
    748,944,328.60x = 1,122,968,595.30 × 386,147,272.60
  4. Step 4: Simplify right side
    748,944,328.60x = 433,631,260,290,548,160
  5. Step 5: Solve for x
    x = 433,631,260,290,548,160/748,944,328.60
  6. Step 6: Final answer
    x = 578,989,977.93

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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.