Home / 472,437,587.40-708,656,381.10-374,865,019.80

Finding the Fourth Proportional to 472,437,587.40, 708,656,381.10 and 374,865,019.80

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Solution

The fourth proportional to 472,437,587.40, 708,656,381.10 and 374,865,019.80 is: 562,297,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,437,587.40 : 708,656,381.10 = 374,865,019.80 : x
  2. Step 2: Convert to fraction form
    472,437,587.40/708,656,381.10 = 374,865,019.80/x
  3. Step 3: Cross multiply
    472,437,587.40x = 708,656,381.10 × 374,865,019.80
  4. Step 4: Simplify right side
    472,437,587.40x = 265,650,488,332,447,872
  5. Step 5: Solve for x
    x = 265,650,488,332,447,872/472,437,587.40
  6. Step 6: Final answer
    x = 562,297,529.70

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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.