Home / 402,120,266.80-603,180,400.20-249,065,258.80

Finding the Fourth Proportional to 402,120,266.80, 603,180,400.20 and 249,065,258.80

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Solution

The fourth proportional to 402,120,266.80, 603,180,400.20 and 249,065,258.80 is: 373,597,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,120,266.80 : 603,180,400.20 = 249,065,258.80 : x
  2. Step 2: Convert to fraction form
    402,120,266.80/603,180,400.20 = 249,065,258.80/x
  3. Step 3: Cross multiply
    402,120,266.80x = 603,180,400.20 × 249,065,258.80
  4. Step 4: Simplify right side
    402,120,266.80x = 150,231,282,478,900,576
  5. Step 5: Solve for x
    x = 150,231,282,478,900,576/402,120,266.80
  6. Step 6: Final answer
    x = 373,597,888.20

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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.