Home / 1,780,758,310.98-2,671,137,549.54-1,219,967,153.16

Finding the Fourth Proportional to 1,780,758,310.98, 2,671,137,549.54 and 1,219,967,153.16

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Solution

The fourth proportional to 1,780,758,310.98, 2,671,137,549.54 and 1,219,967,153.16 is: 1,829,950,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,758,310.98 : 2,671,137,549.54 = 1,219,967,153.16 : x
  2. Step 2: Convert to fraction form
    1,780,758,310.98/2,671,137,549.54 = 1,219,967,153.16/x
  3. Step 3: Cross multiply
    1,780,758,310.98x = 2,671,137,549.54 × 1,219,967,153.16
  4. Step 4: Simplify right side
    1,780,758,310.98x = 3,258,700,072,011,092,480
  5. Step 5: Solve for x
    x = 3,258,700,072,011,092,480/1,780,758,310.98
  6. Step 6: Final answer
    x = 1,829,950,786.65

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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.