Home / 472,393,385.10-708,590,077.65-265,769,124.30

Finding the Fourth Proportional to 472,393,385.10, 708,590,077.65 and 265,769,124.30

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Solution

The fourth proportional to 472,393,385.10, 708,590,077.65 and 265,769,124.30 is: 398,653,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,385.10 : 708,590,077.65 = 265,769,124.30 : x
  2. Step 2: Convert to fraction form
    472,393,385.10/708,590,077.65 = 265,769,124.30/x
  3. Step 3: Cross multiply
    472,393,385.10x = 708,590,077.65 × 265,769,124.30
  4. Step 4: Simplify right side
    472,393,385.10x = 188,321,364,424,709,504
  5. Step 5: Solve for x
    x = 188,321,364,424,709,504/472,393,385.10
  6. Step 6: Final answer
    x = 398,653,686.45

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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.