Home / 470,891,923.20-706,589,827.20-198,290,246.40

Finding the Fourth Proportional to 470,891,923.20, 706,589,827.20 and 198,290,246.40

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Solution

The fourth proportional to 470,891,923.20, 706,589,827.20 and 198,290,246.40 is: 297,541,461.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,891,923.20 : 706,589,827.20 = 198,290,246.40 : x
  2. Step 2: Convert to fraction form
    470,891,923.20/706,589,827.20 = 198,290,246.40/x
  3. Step 3: Cross multiply
    470,891,923.20x = 706,589,827.20 × 198,290,246.40
  4. Step 4: Simplify right side
    470,891,923.20x = 140,109,870,939,221,440
  5. Step 5: Solve for x
    x = 140,109,870,939,221,440/470,891,923.20
  6. Step 6: Final answer
    x = 297,541,461.29

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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.