Home / 30,556,746,972.79-45,835,109,671.13-8,171,913,535.29

Finding the Fourth Proportional to 30,556,746,972.79, 45,835,109,671.13 and 8,171,913,535.29

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Solution

The fourth proportional to 30,556,746,972.79, 45,835,109,671.13 and 8,171,913,535.29 is: 12,257,867,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,746,972.79 : 45,835,109,671.13 = 8,171,913,535.29 : x
  2. Step 2: Convert to fraction form
    30,556,746,972.79/45,835,109,671.13 = 8,171,913,535.29/x
  3. Step 3: Cross multiply
    30,556,746,972.79x = 45,835,109,671.13 × 8,171,913,535.29
  4. Step 4: Simplify right side
    30,556,746,972.79x = 374,560,553,112,992,481,280
  5. Step 5: Solve for x
    x = 374,560,553,112,992,481,280/30,556,746,972.79
  6. Step 6: Final answer
    x = 12,257,867,417.84

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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.