Home / 15,712,012,649.61-21,682,270,110.65-8,575,477,627.77

Finding the Fourth Proportional to 15,712,012,649.61, 21,682,270,110.65 and 8,575,477,627.77

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Solution

The fourth proportional to 15,712,012,649.61, 21,682,270,110.65 and 8,575,477,627.77 is: 11,833,991,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,712,012,649.61 : 21,682,270,110.65 = 8,575,477,627.77 : x
  2. Step 2: Convert to fraction form
    15,712,012,649.61/21,682,270,110.65 = 8,575,477,627.77/x
  3. Step 3: Cross multiply
    15,712,012,649.61x = 21,682,270,110.65 × 8,575,477,627.77
  4. Step 4: Simplify right side
    15,712,012,649.61x = 185,935,822,253,110,951,936
  5. Step 5: Solve for x
    x = 185,935,822,253,110,951,936/15,712,012,649.61
  6. Step 6: Final answer
    x = 11,833,991,379.69

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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.