Home / 402,210,122.80-603,315,184.20-249,155,114.80

Finding the Fourth Proportional to 402,210,122.80, 603,315,184.20 and 249,155,114.80

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Solution

The fourth proportional to 402,210,122.80, 603,315,184.20 and 249,155,114.80 is: 373,732,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,210,122.80 : 603,315,184.20 = 249,155,114.80 : x
  2. Step 2: Convert to fraction form
    402,210,122.80/603,315,184.20 = 249,155,114.80/x
  3. Step 3: Cross multiply
    402,210,122.80x = 603,315,184.20 × 249,155,114.80
  4. Step 4: Simplify right side
    402,210,122.80x = 150,319,063,979,934,176
  5. Step 5: Solve for x
    x = 150,319,063,979,934,176/402,210,122.80
  6. Step 6: Final answer
    x = 373,732,672.20

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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.