Home / 706,154,807.20-1,059,232,210.80-221,479,837.60

Finding the Fourth Proportional to 706,154,807.20, 1,059,232,210.80 and 221,479,837.60

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Solution

The fourth proportional to 706,154,807.20, 1,059,232,210.80 and 221,479,837.60 is: 332,219,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,154,807.20 : 1,059,232,210.80 = 221,479,837.60 : x
  2. Step 2: Convert to fraction form
    706,154,807.20/1,059,232,210.80 = 221,479,837.60/x
  3. Step 3: Cross multiply
    706,154,807.20x = 1,059,232,210.80 × 221,479,837.60
  4. Step 4: Simplify right side
    706,154,807.20x = 234,598,578,028,672,960
  5. Step 5: Solve for x
    x = 234,598,578,028,672,960/706,154,807.20
  6. Step 6: Final answer
    x = 332,219,756.40

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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.