Home / 15,486,117,089,428-21,380,488,027,942-9,857,820,854,339.40

Finding the Fourth Proportional to 15,486,117,089,428, 21,380,488,027,942 and 9,857,820,854,339.40

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Solution

The fourth proportional to 15,486,117,089,428, 21,380,488,027,942 and 9,857,820,854,339.40 is: 13,609,933,306,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,486,117,089,428 : 21,380,488,027,942 = 9,857,820,854,339.40 : x
  2. Step 2: Convert to fraction form
    15,486,117,089,428/21,380,488,027,942 = 9,857,820,854,339.40/x
  3. Step 3: Cross multiply
    15,486,117,089,428x = 21,380,488,027,942 × 9,857,820,854,339.40
  4. Step 4: Simplify right side
    15,486,117,089,428x = 210,765,020,757,800,518,940,622,848
  5. Step 5: Solve for x
    x = 210,765,020,757,800,518,940,622,848/15,486,117,089,428
  6. Step 6: Final answer
    x = 13,609,933,306,114.85

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Double scale
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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.