Home / 8,083,240,656.40-12,124,860,984.60-7,974,401,539.60

Finding the Fourth Proportional to 8,083,240,656.40, 12,124,860,984.60 and 7,974,401,539.60

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Solution

The fourth proportional to 8,083,240,656.40, 12,124,860,984.60 and 7,974,401,539.60 is: 11,961,602,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,240,656.40 : 12,124,860,984.60 = 7,974,401,539.60 : x
  2. Step 2: Convert to fraction form
    8,083,240,656.40/12,124,860,984.60 = 7,974,401,539.60/x
  3. Step 3: Cross multiply
    8,083,240,656.40x = 12,124,860,984.60 × 7,974,401,539.60
  4. Step 4: Simplify right side
    8,083,240,656.40x = 96,688,510,103,030,218,752
  5. Step 5: Solve for x
    x = 96,688,510,103,030,218,752/8,083,240,656.40
  6. Step 6: Final answer
    x = 11,961,602,309.40

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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.