Home / 1,438,937,671,188.70-2,158,423,087,689.90-520,076,794,797.72

Finding the Fourth Proportional to 1,438,937,671,188.70, 2,158,423,087,689.90 and 520,076,794,797.72

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Solution

The fourth proportional to 1,438,937,671,188.70, 2,158,423,087,689.90 and 520,076,794,797.72 is: 780,121,185,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,937,671,188.70 : 2,158,423,087,689.90 = 520,076,794,797.72 : x
  2. Step 2: Convert to fraction form
    1,438,937,671,188.70/2,158,423,087,689.90 = 520,076,794,797.72/x
  3. Step 3: Cross multiply
    1,438,937,671,188.70x = 2,158,423,087,689.90 × 520,076,794,797.72
  4. Step 4: Simplify right side
    1,438,937,671,188.70x = 1,122,545,761,263,161,249,366,016
  5. Step 5: Solve for x
    x = 1,122,545,761,263,161,249,366,016/1,438,937,671,188.70
  6. Step 6: Final answer
    x = 780,121,185,051.63

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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.