Home / 29,430,105,282.72-40,607,482,548.24-16,911,188,203.68

Finding the Fourth Proportional to 29,430,105,282.72, 40,607,482,548.24 and 16,911,188,203.68

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Solution

The fourth proportional to 29,430,105,282.72, 40,607,482,548.24 and 16,911,188,203.68 is: 23,333,955,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430,105,282.72 : 40,607,482,548.24 = 16,911,188,203.68 : x
  2. Step 2: Convert to fraction form
    29,430,105,282.72/40,607,482,548.24 = 16,911,188,203.68/x
  3. Step 3: Cross multiply
    29,430,105,282.72x = 40,607,482,548.24 × 16,911,188,203.68
  4. Step 4: Simplify right side
    29,430,105,282.72x = 686,720,779,850,937,794,560
  5. Step 5: Solve for x
    x = 686,720,779,850,937,794,560/29,430,105,282.72
  6. Step 6: Final answer
    x = 23,333,955,935.73

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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.