Home / 402,995,427.80-604,493,141.70-130,366,194.80

Finding the Fourth Proportional to 402,995,427.80, 604,493,141.70 and 130,366,194.80

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Solution

The fourth proportional to 402,995,427.80, 604,493,141.70 and 130,366,194.80 is: 195,549,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,995,427.80 : 604,493,141.70 = 130,366,194.80 : x
  2. Step 2: Convert to fraction form
    402,995,427.80/604,493,141.70 = 130,366,194.80/x
  3. Step 3: Cross multiply
    402,995,427.80x = 604,493,141.70 × 130,366,194.80
  4. Step 4: Simplify right side
    402,995,427.80x = 78,805,470,666,126,208
  5. Step 5: Solve for x
    x = 78,805,470,666,126,208/402,995,427.80
  6. Step 6: Final answer
    x = 195,549,292.20

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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.