Home / 408,146,688,005.70-612,220,032,008.55-249,459,255,711.30

Finding the Fourth Proportional to 408,146,688,005.70, 612,220,032,008.55 and 249,459,255,711.30

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Solution

The fourth proportional to 408,146,688,005.70, 612,220,032,008.55 and 249,459,255,711.30 is: 374,188,883,566.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,146,688,005.70 : 612,220,032,008.55 = 249,459,255,711.30 : x
  2. Step 2: Convert to fraction form
    408,146,688,005.70/612,220,032,008.55 = 249,459,255,711.30/x
  3. Step 3: Cross multiply
    408,146,688,005.70x = 612,220,032,008.55 × 249,459,255,711.30
  4. Step 4: Simplify right side
    408,146,688,005.70x = 152,723,953,516,401,142,005,760
  5. Step 5: Solve for x
    x = 152,723,953,516,401,142,005,760/408,146,688,005.70
  6. Step 6: Final answer
    x = 374,188,883,566.95

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1.5x scale

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.