Home / 827,456,666.40-1,241,184,999.60-366,905,959.20

Finding the Fourth Proportional to 827,456,666.40, 1,241,184,999.60 and 366,905,959.20

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Solution

The fourth proportional to 827,456,666.40, 1,241,184,999.60 and 366,905,959.20 is: 550,358,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,456,666.40 : 1,241,184,999.60 = 366,905,959.20 : x
  2. Step 2: Convert to fraction form
    827,456,666.40/1,241,184,999.60 = 366,905,959.20/x
  3. Step 3: Cross multiply
    827,456,666.40x = 1,241,184,999.60 × 366,905,959.20
  4. Step 4: Simplify right side
    827,456,666.40x = 455,398,172,822,889,536
  5. Step 5: Solve for x
    x = 455,398,172,822,889,536/827,456,666.40
  6. Step 6: Final answer
    x = 550,358,938.80

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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.