Home / 408,146,688,014.70-612,220,032,022.05-249,459,255,720.30

Finding the Fourth Proportional to 408,146,688,014.70, 612,220,032,022.05 and 249,459,255,720.30

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Solution

The fourth proportional to 408,146,688,014.70, 612,220,032,022.05 and 249,459,255,720.30 is: 374,188,883,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,146,688,014.70 : 612,220,032,022.05 = 249,459,255,720.30 : x
  2. Step 2: Convert to fraction form
    408,146,688,014.70/612,220,032,022.05 = 249,459,255,720.30/x
  3. Step 3: Cross multiply
    408,146,688,014.70x = 612,220,032,022.05 × 249,459,255,720.30
  4. Step 4: Simplify right side
    408,146,688,014.70x = 152,723,953,525,278,839,406,592
  5. Step 5: Solve for x
    x = 152,723,953,525,278,839,406,592/408,146,688,014.70
  6. Step 6: Final answer
    x = 374,188,883,580.45

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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.