Home / 1,438,937,671,213.70-2,158,423,087,727.40-520,076,794,822.68

Finding the Fourth Proportional to 1,438,937,671,213.70, 2,158,423,087,727.40 and 520,076,794,822.68

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Solution

The fourth proportional to 1,438,937,671,213.70, 2,158,423,087,727.40 and 520,076,794,822.68 is: 780,121,185,089.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,937,671,213.70 : 2,158,423,087,727.40 = 520,076,794,822.68 : x
  2. Step 2: Convert to fraction form
    1,438,937,671,213.70/2,158,423,087,727.40 = 520,076,794,822.68/x
  3. Step 3: Cross multiply
    1,438,937,671,213.70x = 2,158,423,087,727.40 × 520,076,794,822.68
  4. Step 4: Simplify right side
    1,438,937,671,213.70x = 1,122,545,761,336,538,349,699,072
  5. Step 5: Solve for x
    x = 1,122,545,761,336,538,349,699,072/1,438,937,671,213.70
  6. Step 6: Final answer
    x = 780,121,185,089.07

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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.