Home / 708,588,744.70-1,062,883,117.05-217,377,828.40

Finding the Fourth Proportional to 708,588,744.70, 1,062,883,117.05 and 217,377,828.40

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Solution

The fourth proportional to 708,588,744.70, 1,062,883,117.05 and 217,377,828.40 is: 326,066,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,744.70 : 1,062,883,117.05 = 217,377,828.40 : x
  2. Step 2: Convert to fraction form
    708,588,744.70/1,062,883,117.05 = 217,377,828.40/x
  3. Step 3: Cross multiply
    708,588,744.70x = 1,062,883,117.05 × 217,377,828.40
  4. Step 4: Simplify right side
    708,588,744.70x = 231,047,223,827,352,000
  5. Step 5: Solve for x
    x = 231,047,223,827,352,000/708,588,744.70
  6. Step 6: Final answer
    x = 326,066,742.60

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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.