Home / 25,130,105,279.31-34,679,263,197.11-13,698,423,837.66

Finding the Fourth Proportional to 25,130,105,279.31, 34,679,263,197.11 and 13,698,423,837.66

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Solution

The fourth proportional to 25,130,105,279.31, 34,679,263,197.11 and 13,698,423,837.66 is: 18,903,671,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130,105,279.31 : 34,679,263,197.11 = 13,698,423,837.66 : x
  2. Step 2: Convert to fraction form
    25,130,105,279.31/34,679,263,197.11 = 13,698,423,837.66/x
  3. Step 3: Cross multiply
    25,130,105,279.31x = 34,679,263,197.11 × 13,698,423,837.66
  4. Step 4: Simplify right side
    25,130,105,279.31x = 475,051,245,651,776,765,952
  5. Step 5: Solve for x
    x = 475,051,245,651,776,765,952/25,130,105,279.31
  6. Step 6: Final answer
    x = 18,903,671,129.58

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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.