Home / 12,020,539,571.28-16,585,860,554.28-6,939,815,463.90

Finding the Fourth Proportional to 12,020,539,571.28, 16,585,860,554.28 and 6,939,815,463.90

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Solution

The fourth proportional to 12,020,539,571.28, 16,585,860,554.28 and 6,939,815,463.90 is: 9,575,511,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,539,571.28 : 16,585,860,554.28 = 6,939,815,463.90 : x
  2. Step 2: Convert to fraction form
    12,020,539,571.28/16,585,860,554.28 = 6,939,815,463.90/x
  3. Step 3: Cross multiply
    12,020,539,571.28x = 16,585,860,554.28 × 6,939,815,463.90
  4. Step 4: Simplify right side
    12,020,539,571.28x = 115,102,811,556,681,367,552
  5. Step 5: Solve for x
    x = 115,102,811,556,681,367,552/12,020,539,571.28
  6. Step 6: Final answer
    x = 9,575,511,221.78

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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.