Home / 29,076,172,471.90-40,125,118,088.44-15,710,165,601.39

Finding the Fourth Proportional to 29,076,172,471.90, 40,125,118,088.44 and 15,710,165,601.39

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Solution

The fourth proportional to 29,076,172,471.90, 40,125,118,088.44 and 15,710,165,601.39 is: 21,680,028,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,076,172,471.90 : 40,125,118,088.44 = 15,710,165,601.39 : x
  2. Step 2: Convert to fraction form
    29,076,172,471.90/40,125,118,088.44 = 15,710,165,601.39/x
  3. Step 3: Cross multiply
    29,076,172,471.90x = 40,125,118,088.44 × 15,710,165,601.39
  4. Step 4: Simplify right side
    29,076,172,471.90x = 630,372,249,944,721,719,296
  5. Step 5: Solve for x
    x = 630,372,249,944,721,719,296/29,076,172,471.90
  6. Step 6: Final answer
    x = 21,680,028,571.64

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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.