Home / 914,638,666.20-1,371,957,999.30-658,271,527.80

Finding the Fourth Proportional to 914,638,666.20, 1,371,957,999.30 and 658,271,527.80

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Solution

The fourth proportional to 914,638,666.20, 1,371,957,999.30 and 658,271,527.80 is: 987,407,291.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,638,666.20 : 1,371,957,999.30 = 658,271,527.80 : x
  2. Step 2: Convert to fraction form
    914,638,666.20/1,371,957,999.30 = 658,271,527.80/x
  3. Step 3: Cross multiply
    914,638,666.20x = 1,371,957,999.30 × 658,271,527.80
  4. Step 4: Simplify right side
    914,638,666.20x = 903,120,888,276,642,176
  5. Step 5: Solve for x
    x = 903,120,888,276,642,176/914,638,666.20
  6. Step 6: Final answer
    x = 987,407,291.70

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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.