Home / 472,393,670.55-708,590,505.83-298,931,328.15

Finding the Fourth Proportional to 472,393,670.55, 708,590,505.83 and 298,931,328.15

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Solution

The fourth proportional to 472,393,670.55, 708,590,505.83 and 298,931,328.15 is: 448,396,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,670.55 : 708,590,505.83 = 298,931,328.15 : x
  2. Step 2: Convert to fraction form
    472,393,670.55/708,590,505.83 = 298,931,328.15/x
  3. Step 3: Cross multiply
    472,393,670.55x = 708,590,505.83 × 298,931,328.15
  4. Step 4: Simplify right side
    472,393,670.55x = 211,819,901,020,747,552
  5. Step 5: Solve for x
    x = 211,819,901,020,747,552/472,393,670.55
  6. Step 6: Final answer
    x = 448,396,992.23

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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.