Home / 31,506,878,108.05-43,479,622,787.38-17,038,973,061.73

Finding the Fourth Proportional to 31,506,878,108.05, 43,479,622,787.38 and 17,038,973,061.73

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Solution

The fourth proportional to 31,506,878,108.05, 43,479,622,787.38 and 17,038,973,061.73 is: 23,513,853,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,878,108.05 : 43,479,622,787.38 = 17,038,973,061.73 : x
  2. Step 2: Convert to fraction form
    31,506,878,108.05/43,479,622,787.38 = 17,038,973,061.73/x
  3. Step 3: Cross multiply
    31,506,878,108.05x = 43,479,622,787.38 × 17,038,973,061.73
  4. Step 4: Simplify right side
    31,506,878,108.05x = 740,848,121,408,349,667,328
  5. Step 5: Solve for x
    x = 740,848,121,408,349,667,328/31,506,878,108.05
  6. Step 6: Final answer
    x = 23,513,853,669.27

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Double scale
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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.