Home / 430,822,176,630.80-646,233,264,946.20-132,663,368,296.40

Finding the Fourth Proportional to 430,822,176,630.80, 646,233,264,946.20 and 132,663,368,296.40

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Solution

The fourth proportional to 430,822,176,630.80, 646,233,264,946.20 and 132,663,368,296.40 is: 198,995,052,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,822,176,630.80 : 646,233,264,946.20 = 132,663,368,296.40 : x
  2. Step 2: Convert to fraction form
    430,822,176,630.80/646,233,264,946.20 = 132,663,368,296.40/x
  3. Step 3: Cross multiply
    430,822,176,630.80x = 646,233,264,946.20 × 132,663,368,296.40
  4. Step 4: Simplify right side
    430,822,176,630.80x = 85,731,481,632,942,759,870,464
  5. Step 5: Solve for x
    x = 85,731,481,632,942,759,870,464/430,822,176,630.80
  6. Step 6: Final answer
    x = 198,995,052,444.60

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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.