Home / 375,730,150.40-518,511,363.52-210,714,176.96

Finding the Fourth Proportional to 375,730,150.40, 518,511,363.52 and 210,714,176.96

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Solution

The fourth proportional to 375,730,150.40, 518,511,363.52 and 210,714,176.96 is: 290,787,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,730,150.40 : 518,511,363.52 = 210,714,176.96 : x
  2. Step 2: Convert to fraction form
    375,730,150.40/518,511,363.52 = 210,714,176.96/x
  3. Step 3: Cross multiply
    375,730,150.40x = 518,511,363.52 × 210,714,176.96
  4. Step 4: Simplify right side
    375,730,150.40x = 109,257,695,208,524,176
  5. Step 5: Solve for x
    x = 109,257,695,208,524,176/375,730,150.40
  6. Step 6: Final answer
    x = 290,787,670.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.