Home / 1,438,937,671,215.20-2,158,423,087,729.50-520,076,794,824.18

Finding the Fourth Proportional to 1,438,937,671,215.20, 2,158,423,087,729.50 and 520,076,794,824.18

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Solution

The fourth proportional to 1,438,937,671,215.20, 2,158,423,087,729.50 and 520,076,794,824.18 is: 780,121,185,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,937,671,215.20 : 2,158,423,087,729.50 = 520,076,794,824.18 : x
  2. Step 2: Convert to fraction form
    1,438,937,671,215.20/2,158,423,087,729.50 = 520,076,794,824.18/x
  3. Step 3: Cross multiply
    1,438,937,671,215.20x = 2,158,423,087,729.50 × 520,076,794,824.18
  4. Step 4: Simplify right side
    1,438,937,671,215.20x = 1,122,545,761,340,868,213,604,352
  5. Step 5: Solve for x
    x = 1,122,545,761,340,868,213,604,352/1,438,937,671,215.20
  6. Step 6: Final answer
    x = 780,121,185,091.27

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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.