Home / 689,723,999.40-1,034,585,999.10-614,897,106.60

Finding the Fourth Proportional to 689,723,999.40, 1,034,585,999.10 and 614,897,106.60

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Solution

The fourth proportional to 689,723,999.40, 1,034,585,999.10 and 614,897,106.60 is: 922,345,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,723,999.40 : 1,034,585,999.10 = 614,897,106.60 : x
  2. Step 2: Convert to fraction form
    689,723,999.40/1,034,585,999.10 = 614,897,106.60/x
  3. Step 3: Cross multiply
    689,723,999.40x = 1,034,585,999.10 × 614,897,106.60
  4. Step 4: Simplify right side
    689,723,999.40x = 636,163,937,375,460,224
  5. Step 5: Solve for x
    x = 636,163,937,375,460,224/689,723,999.40
  6. Step 6: Final answer
    x = 922,345,659.90

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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.