Home / 805,281,929.31-1,207,968,264.14-245,061,977.79

Finding the Fourth Proportional to 805,281,929.31, 1,207,968,264.14 and 245,061,977.79

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Solution

The fourth proportional to 805,281,929.31, 1,207,968,264.14 and 245,061,977.79 is: 367,606,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,281,929.31 : 1,207,968,264.14 = 245,061,977.79 : x
  2. Step 2: Convert to fraction form
    805,281,929.31/1,207,968,264.14 = 245,061,977.79/x
  3. Step 3: Cross multiply
    805,281,929.31x = 1,207,968,264.14 × 245,061,977.79
  4. Step 4: Simplify right side
    805,281,929.31x = 296,027,091,916,476,224
  5. Step 5: Solve for x
    x = 296,027,091,916,476,224/805,281,929.31
  6. Step 6: Final answer
    x = 367,606,773.66

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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.