Home / 49,327,557,569.69-68,064,254,008.40-28,731,137,161.05

Finding the Fourth Proportional to 49,327,557,569.69, 68,064,254,008.40 and 28,731,137,161.05

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Solution

The fourth proportional to 49,327,557,569.69, 68,064,254,008.40 and 28,731,137,161.05 is: 39,644,440,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,327,557,569.69 : 68,064,254,008.40 = 28,731,137,161.05 : x
  2. Step 2: Convert to fraction form
    49,327,557,569.69/68,064,254,008.40 = 28,731,137,161.05/x
  3. Step 3: Cross multiply
    49,327,557,569.69x = 68,064,254,008.40 × 28,731,137,161.05
  4. Step 4: Simplify right side
    49,327,557,569.69x = 1,955,563,417,679,916,433,408
  5. Step 5: Solve for x
    x = 1,955,563,417,679,916,433,408/49,327,557,569.69
  6. Step 6: Final answer
    x = 39,644,440,431.04

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1.5x scale

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.