Home / 288,732,831.20-433,099,246.80-212,205,327.20

Finding the Fourth Proportional to 288,732,831.20, 433,099,246.80 and 212,205,327.20

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Solution

The fourth proportional to 288,732,831.20, 433,099,246.80 and 212,205,327.20 is: 318,307,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,732,831.20 : 433,099,246.80 = 212,205,327.20 : x
  2. Step 2: Convert to fraction form
    288,732,831.20/433,099,246.80 = 212,205,327.20/x
  3. Step 3: Cross multiply
    288,732,831.20x = 433,099,246.80 × 212,205,327.20
  4. Step 4: Simplify right side
    288,732,831.20x = 91,905,967,377,267,552
  5. Step 5: Solve for x
    x = 91,905,967,377,267,552/288,732,831.20
  6. Step 6: Final answer
    x = 318,307,990.80

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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.