Home / 464,120,800.73-640,653,303.80-275,948,645.70

Finding the Fourth Proportional to 464,120,800.73, 640,653,303.80 and 275,948,645.70

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Solution

The fourth proportional to 464,120,800.73, 640,653,303.80 and 275,948,645.70 is: 380,908,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,120,800.73 : 640,653,303.80 = 275,948,645.70 : x
  2. Step 2: Convert to fraction form
    464,120,800.73/640,653,303.80 = 275,948,645.70/x
  3. Step 3: Cross multiply
    464,120,800.73x = 640,653,303.80 × 275,948,645.70
  4. Step 4: Simplify right side
    464,120,800.73x = 176,787,411,546,840,640
  5. Step 5: Solve for x
    x = 176,787,411,546,840,640/464,120,800.73
  6. Step 6: Final answer
    x = 380,908,184.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.