Home / 310,536,421.20-465,804,631.80-304,489,803.60

Finding the Fourth Proportional to 310,536,421.20, 465,804,631.80 and 304,489,803.60

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Solution

The fourth proportional to 310,536,421.20, 465,804,631.80 and 304,489,803.60 is: 456,734,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,536,421.20 : 465,804,631.80 = 304,489,803.60 : x
  2. Step 2: Convert to fraction form
    310,536,421.20/465,804,631.80 = 304,489,803.60/x
  3. Step 3: Cross multiply
    310,536,421.20x = 465,804,631.80 × 304,489,803.60
  4. Step 4: Simplify right side
    310,536,421.20x = 141,832,760,852,752,336
  5. Step 5: Solve for x
    x = 141,832,760,852,752,336/310,536,421.20
  6. Step 6: Final answer
    x = 456,734,705.40

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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.