Home / 838,638,876,637.70-1,257,958,314,956.50-838,638,876,637.70

Finding the Fourth Proportional to 838,638,876,637.70, 1,257,958,314,956.50 and 838,638,876,637.70

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Solution

The fourth proportional to 838,638,876,637.70, 1,257,958,314,956.50 and 838,638,876,637.70 is: 1,257,958,314,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,638,876,637.70 : 1,257,958,314,956.50 = 838,638,876,637.70 : x
  2. Step 2: Convert to fraction form
    838,638,876,637.70/1,257,958,314,956.50 = 838,638,876,637.70/x
  3. Step 3: Cross multiply
    838,638,876,637.70x = 1,257,958,314,956.50 × 838,638,876,637.70
  4. Step 4: Simplify right side
    838,638,876,637.70x = 1,054,972,748,112,173,096,501,248
  5. Step 5: Solve for x
    x = 1,054,972,748,112,173,096,501,248/838,638,876,637.70
  6. Step 6: Final answer
    x = 1,257,958,314,956.50

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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.