Home / 472,393,668.30-708,590,502.45-298,931,325.90

Finding the Fourth Proportional to 472,393,668.30, 708,590,502.45 and 298,931,325.90

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Solution

The fourth proportional to 472,393,668.30, 708,590,502.45 and 298,931,325.90 is: 448,396,988.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,668.30 : 708,590,502.45 = 298,931,325.90 : x
  2. Step 2: Convert to fraction form
    472,393,668.30/708,590,502.45 = 298,931,325.90/x
  3. Step 3: Cross multiply
    472,393,668.30x = 708,590,502.45 × 298,931,325.90
  4. Step 4: Simplify right side
    472,393,668.30x = 211,819,898,417,525,696
  5. Step 5: Solve for x
    x = 211,819,898,417,525,696/472,393,668.30
  6. Step 6: Final answer
    x = 448,396,988.85

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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.