Home / 29,076,172,500.76-40,125,118,128.28-15,710,165,630.28

Finding the Fourth Proportional to 29,076,172,500.76, 40,125,118,128.28 and 15,710,165,630.28

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Solution

The fourth proportional to 29,076,172,500.76, 40,125,118,128.28 and 15,710,165,630.28 is: 21,680,028,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,076,172,500.76 : 40,125,118,128.28 = 15,710,165,630.28 : x
  2. Step 2: Convert to fraction form
    29,076,172,500.76/40,125,118,128.28 = 15,710,165,630.28/x
  3. Step 3: Cross multiply
    29,076,172,500.76x = 40,125,118,128.28 × 15,710,165,630.28
  4. Step 4: Simplify right side
    29,076,172,500.76x = 630,372,251,729,829,429,248
  5. Step 5: Solve for x
    x = 630,372,251,729,829,429,248/29,076,172,500.76
  6. Step 6: Final answer
    x = 21,680,028,611.52

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1.5x scale

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.