Home / 472,393,031.70-708,589,547.55-165,574,427.70

Finding the Fourth Proportional to 472,393,031.70, 708,589,547.55 and 165,574,427.70

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Solution

The fourth proportional to 472,393,031.70, 708,589,547.55 and 165,574,427.70 is: 248,361,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,031.70 : 708,589,547.55 = 165,574,427.70 : x
  2. Step 2: Convert to fraction form
    472,393,031.70/708,589,547.55 = 165,574,427.70/x
  3. Step 3: Cross multiply
    472,393,031.70x = 708,589,547.55 × 165,574,427.70
  4. Step 4: Simplify right side
    472,393,031.70x = 117,324,308,809,793,168
  5. Step 5: Solve for x
    x = 117,324,308,809,793,168/472,393,031.70
  6. Step 6: Final answer
    x = 248,361,641.55

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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.