Home / 330,929,697.04-495,748,769.18-257,804,079.64

Finding the Fourth Proportional to 330,929,697.04, 495,748,769.18 and 257,804,079.64

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Solution

The fourth proportional to 330,929,697.04, 495,748,769.18 and 257,804,079.64 is: 386,203,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,929,697.04 : 495,748,769.18 = 257,804,079.64 : x
  2. Step 2: Convert to fraction form
    330,929,697.04/495,748,769.18 = 257,804,079.64/x
  3. Step 3: Cross multiply
    330,929,697.04x = 495,748,769.18 × 257,804,079.64
  4. Step 4: Simplify right side
    330,929,697.04x = 127,806,055,171,112,688
  5. Step 5: Solve for x
    x = 127,806,055,171,112,688/330,929,697.04
  6. Step 6: Final answer
    x = 386,203,040.45

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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.