Home / 8,480,126,717.20-12,720,190,075.80-8,480,126,717.20

Finding the Fourth Proportional to 8,480,126,717.20, 12,720,190,075.80 and 8,480,126,717.20

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Solution

The fourth proportional to 8,480,126,717.20, 12,720,190,075.80 and 8,480,126,717.20 is: 12,720,190,075.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480,126,717.20 : 12,720,190,075.80 = 8,480,126,717.20 : x
  2. Step 2: Convert to fraction form
    8,480,126,717.20/12,720,190,075.80 = 8,480,126,717.20/x
  3. Step 3: Cross multiply
    8,480,126,717.20x = 12,720,190,075.80 × 8,480,126,717.20
  4. Step 4: Simplify right side
    8,480,126,717.20x = 107,868,823,709,653,860,352
  5. Step 5: Solve for x
    x = 107,868,823,709,653,860,352/8,480,126,717.20
  6. Step 6: Final answer
    x = 12,720,190,075.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.