Home / 743,856,099.23-1,027,937,156.51-557,894,264.51

Finding the Fourth Proportional to 743,856,099.23, 1,027,937,156.51 and 557,894,264.51

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Solution

The fourth proportional to 743,856,099.23, 1,027,937,156.51 and 557,894,264.51 is: 770,955,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,856,099.23 : 1,027,937,156.51 = 557,894,264.51 : x
  2. Step 2: Convert to fraction form
    743,856,099.23/1,027,937,156.51 = 557,894,264.51/x
  3. Step 3: Cross multiply
    743,856,099.23x = 1,027,937,156.51 × 557,894,264.51
  4. Step 4: Simplify right side
    743,856,099.23x = 573,480,243,888,507,520
  5. Step 5: Solve for x
    x = 573,480,243,888,507,520/743,856,099.23
  6. Step 6: Final answer
    x = 770,955,893.87

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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.