Home / 29,076,172,491.90-40,125,118,116.05-15,710,165,621.40

Finding the Fourth Proportional to 29,076,172,491.90, 40,125,118,116.05 and 15,710,165,621.40

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Solution

The fourth proportional to 29,076,172,491.90, 40,125,118,116.05 and 15,710,165,621.40 is: 21,680,028,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,076,172,491.90 : 40,125,118,116.05 = 15,710,165,621.40 : x
  2. Step 2: Convert to fraction form
    29,076,172,491.90/40,125,118,116.05 = 15,710,165,621.40/x
  3. Step 3: Cross multiply
    29,076,172,491.90x = 40,125,118,116.05 × 15,710,165,621.40
  4. Step 4: Simplify right side
    29,076,172,491.90x = 630,372,251,181,304,512,512
  5. Step 5: Solve for x
    x = 630,372,251,181,304,512,512/29,076,172,491.90
  6. Step 6: Final answer
    x = 21,680,028,599.26

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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.