Home / 25,492,861,496.82-35,180,258,237.80-13,905,720,819.45

Finding the Fourth Proportional to 25,492,861,496.82, 35,180,258,237.80 and 13,905,720,819.45

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Solution

The fourth proportional to 25,492,861,496.82, 35,180,258,237.80 and 13,905,720,819.45 is: 19,189,954,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,492,861,496.82 : 35,180,258,237.80 = 13,905,720,819.45 : x
  2. Step 2: Convert to fraction form
    25,492,861,496.82/35,180,258,237.80 = 13,905,720,819.45/x
  3. Step 3: Cross multiply
    25,492,861,496.82x = 35,180,258,237.80 × 13,905,720,819.45
  4. Step 4: Simplify right side
    25,492,861,496.82x = 489,206,849,411,101,032,448
  5. Step 5: Solve for x
    x = 489,206,849,411,101,032,448/25,492,861,496.82
  6. Step 6: Final answer
    x = 19,189,954,390.65

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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.