Home / 398,867,506.96-598,335,513.72-140,060,480.08

Finding the Fourth Proportional to 398,867,506.96, 598,335,513.72 and 140,060,480.08

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Solution

The fourth proportional to 398,867,506.96, 598,335,513.72 and 140,060,480.08 is: 210,102,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,867,506.96 : 598,335,513.72 = 140,060,480.08 : x
  2. Step 2: Convert to fraction form
    398,867,506.96/598,335,513.72 = 140,060,480.08/x
  3. Step 3: Cross multiply
    398,867,506.96x = 598,335,513.72 × 140,060,480.08
  4. Step 4: Simplify right side
    398,867,506.96x = 83,803,159,300,536,640
  5. Step 5: Solve for x
    x = 83,803,159,300,536,640/398,867,506.96
  6. Step 6: Final answer
    x = 210,102,748.00

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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.