Home / 660,158,233.20-990,237,349.80-634,649,065.20

Finding the Fourth Proportional to 660,158,233.20, 990,237,349.80 and 634,649,065.20

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Solution

The fourth proportional to 660,158,233.20, 990,237,349.80 and 634,649,065.20 is: 951,973,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,158,233.20 : 990,237,349.80 = 634,649,065.20 : x
  2. Step 2: Convert to fraction form
    660,158,233.20/990,237,349.80 = 634,649,065.20/x
  3. Step 3: Cross multiply
    660,158,233.20x = 990,237,349.80 × 634,649,065.20
  4. Step 4: Simplify right side
    660,158,233.20x = 628,453,208,376,695,424
  5. Step 5: Solve for x
    x = 628,453,208,376,695,424/660,158,233.20
  6. Step 6: Final answer
    x = 951,973,597.80

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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.