Home / 472,393,956.70-708,590,935.05-165,575,352.70

Finding the Fourth Proportional to 472,393,956.70, 708,590,935.05 and 165,575,352.70

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Solution

The fourth proportional to 472,393,956.70, 708,590,935.05 and 165,575,352.70 is: 248,363,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,956.70 : 708,590,935.05 = 165,575,352.70 : x
  2. Step 2: Convert to fraction form
    472,393,956.70/708,590,935.05 = 165,575,352.70/x
  3. Step 3: Cross multiply
    472,393,956.70x = 708,590,935.05 × 165,575,352.70
  4. Step 4: Simplify right side
    472,393,956.70x = 117,325,193,990,926,528
  5. Step 5: Solve for x
    x = 117,325,193,990,926,528/472,393,956.70
  6. Step 6: Final answer
    x = 248,363,029.05

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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.