Home / 1,181,959,508.40-1,772,939,262.60-320,316,500.40

Finding the Fourth Proportional to 1,181,959,508.40, 1,772,939,262.60 and 320,316,500.40

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Solution

The fourth proportional to 1,181,959,508.40, 1,772,939,262.60 and 320,316,500.40 is: 480,474,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,959,508.40 : 1,772,939,262.60 = 320,316,500.40 : x
  2. Step 2: Convert to fraction form
    1,181,959,508.40/1,772,939,262.60 = 320,316,500.40/x
  3. Step 3: Cross multiply
    1,181,959,508.40x = 1,772,939,262.60 × 320,316,500.40
  4. Step 4: Simplify right side
    1,181,959,508.40x = 567,901,700,017,788,544
  5. Step 5: Solve for x
    x = 567,901,700,017,788,544/1,181,959,508.40
  6. Step 6: Final answer
    x = 480,474,750.60

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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.