Home / 366,979,075.40-550,468,613.10-203,720,400.20

Finding the Fourth Proportional to 366,979,075.40, 550,468,613.10 and 203,720,400.20

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Solution

The fourth proportional to 366,979,075.40, 550,468,613.10 and 203,720,400.20 is: 305,580,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,979,075.40 : 550,468,613.10 = 203,720,400.20 : x
  2. Step 2: Convert to fraction form
    366,979,075.40/550,468,613.10 = 203,720,400.20/x
  3. Step 3: Cross multiply
    366,979,075.40x = 550,468,613.10 × 203,720,400.20
  4. Step 4: Simplify right side
    366,979,075.40x = 112,141,686,158,270,960
  5. Step 5: Solve for x
    x = 112,141,686,158,270,960/366,979,075.40
  6. Step 6: Final answer
    x = 305,580,600.30

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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.