Home / 472,148,052.90-708,222,079.35-165,400,307.70

Finding the Fourth Proportional to 472,148,052.90, 708,222,079.35 and 165,400,307.70

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Solution

The fourth proportional to 472,148,052.90, 708,222,079.35 and 165,400,307.70 is: 248,100,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,148,052.90 : 708,222,079.35 = 165,400,307.70 : x
  2. Step 2: Convert to fraction form
    472,148,052.90/708,222,079.35 = 165,400,307.70/x
  3. Step 3: Cross multiply
    472,148,052.90x = 708,222,079.35 × 165,400,307.70
  4. Step 4: Simplify right side
    472,148,052.90x = 117,140,149,844,423,808
  5. Step 5: Solve for x
    x = 117,140,149,844,423,808/472,148,052.90
  6. Step 6: Final answer
    x = 248,100,461.55

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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.