Home / 526,535,999.40-789,803,999.10-268,255,673.40

Finding the Fourth Proportional to 526,535,999.40, 789,803,999.10 and 268,255,673.40

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Solution

The fourth proportional to 526,535,999.40, 789,803,999.10 and 268,255,673.40 is: 402,383,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,535,999.40 : 789,803,999.10 = 268,255,673.40 : x
  2. Step 2: Convert to fraction form
    526,535,999.40/789,803,999.10 = 268,255,673.40/x
  3. Step 3: Cross multiply
    526,535,999.40x = 789,803,999.10 × 268,255,673.40
  4. Step 4: Simplify right side
    526,535,999.40x = 211,869,403,632,583,520
  5. Step 5: Solve for x
    x = 211,869,403,632,583,520/526,535,999.40
  6. Step 6: Final answer
    x = 402,383,510.10

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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.