Home / 56,229,529,321.12-77,596,537,596.96-30,855,425,278.72

Finding the Fourth Proportional to 56,229,529,321.12, 77,596,537,596.96 and 30,855,425,278.72

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Solution

The fourth proportional to 56,229,529,321.12, 77,596,537,596.96 and 30,855,425,278.72 is: 42,580,370,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229,529,321.12 : 77,596,537,596.96 = 30,855,425,278.72 : x
  2. Step 2: Convert to fraction form
    56,229,529,321.12/77,596,537,596.96 = 30,855,425,278.72/x
  3. Step 3: Cross multiply
    56,229,529,321.12x = 77,596,537,596.96 × 30,855,425,278.72
  4. Step 4: Simplify right side
    56,229,529,321.12x = 2,394,274,167,710,387,011,584
  5. Step 5: Solve for x
    x = 2,394,274,167,710,387,011,584/56,229,529,321.12
  6. Step 6: Final answer
    x = 42,580,370,076.32

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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.