Home / 8,503,076,556.90-12,754,614,835.35-7,779,891,644.10

Finding the Fourth Proportional to 8,503,076,556.90, 12,754,614,835.35 and 7,779,891,644.10

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Solution

The fourth proportional to 8,503,076,556.90, 12,754,614,835.35 and 7,779,891,644.10 is: 11,669,837,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,076,556.90 : 12,754,614,835.35 = 7,779,891,644.10 : x
  2. Step 2: Convert to fraction form
    8,503,076,556.90/12,754,614,835.35 = 7,779,891,644.10/x
  3. Step 3: Cross multiply
    8,503,076,556.90x = 12,754,614,835.35 × 7,779,891,644.10
  4. Step 4: Simplify right side
    8,503,076,556.90x = 99,229,521,381,253,365,760
  5. Step 5: Solve for x
    x = 99,229,521,381,253,365,760/8,503,076,556.90
  6. Step 6: Final answer
    x = 11,669,837,466.15

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Double scale
Find fourth proportional to 8,503,076,557.90, 12,754,614,836.85 and 7,779,891,645.10
Similar ratio
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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.