Home / 472,393,404.60-708,590,106.90-265,769,143.80

Finding the Fourth Proportional to 472,393,404.60, 708,590,106.90 and 265,769,143.80

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Solution

The fourth proportional to 472,393,404.60, 708,590,106.90 and 265,769,143.80 is: 398,653,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,404.60 : 708,590,106.90 = 265,769,143.80 : x
  2. Step 2: Convert to fraction form
    472,393,404.60/708,590,106.90 = 265,769,143.80/x
  3. Step 3: Cross multiply
    472,393,404.60x = 708,590,106.90 × 265,769,143.80
  4. Step 4: Simplify right side
    472,393,404.60x = 188,321,386,015,963,488
  5. Step 5: Solve for x
    x = 188,321,386,015,963,488/472,393,404.60
  6. Step 6: Final answer
    x = 398,653,715.70

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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.