Home / 660,550,554.90-990,825,832.35-272,173,472.10

Finding the Fourth Proportional to 660,550,554.90, 990,825,832.35 and 272,173,472.10

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Solution

The fourth proportional to 660,550,554.90, 990,825,832.35 and 272,173,472.10 is: 408,260,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,550,554.90 : 990,825,832.35 = 272,173,472.10 : x
  2. Step 2: Convert to fraction form
    660,550,554.90/990,825,832.35 = 272,173,472.10/x
  3. Step 3: Cross multiply
    660,550,554.90x = 990,825,832.35 × 272,173,472.10
  4. Step 4: Simplify right side
    660,550,554.90x = 269,676,507,037,072,032
  5. Step 5: Solve for x
    x = 269,676,507,037,072,032/660,550,554.90
  6. Step 6: Final answer
    x = 408,260,208.15

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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.