Home / 330,929,626.34-495,748,663.67-257,804,009.35

Finding the Fourth Proportional to 330,929,626.34, 495,748,663.67 and 257,804,009.35

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Solution

The fourth proportional to 330,929,626.34, 495,748,663.67 and 257,804,009.35 is: 386,202,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,929,626.34 : 495,748,663.67 = 257,804,009.35 : x
  2. Step 2: Convert to fraction form
    330,929,626.34/495,748,663.67 = 257,804,009.35/x
  3. Step 3: Cross multiply
    330,929,626.34x = 495,748,663.67 × 257,804,009.35
  4. Step 4: Simplify right side
    330,929,626.34x = 127,805,993,120,262,928
  5. Step 5: Solve for x
    x = 127,805,993,120,262,928/330,929,626.34
  6. Step 6: Final answer
    x = 386,202,935.45

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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.