Home / 7,561,044,012.80-11,341,566,019.20-6,541,828,140.80

Finding the Fourth Proportional to 7,561,044,012.80, 11,341,566,019.20 and 6,541,828,140.80

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Solution

The fourth proportional to 7,561,044,012.80, 11,341,566,019.20 and 6,541,828,140.80 is: 9,812,742,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561,044,012.80 : 11,341,566,019.20 = 6,541,828,140.80 : x
  2. Step 2: Convert to fraction form
    7,561,044,012.80/11,341,566,019.20 = 6,541,828,140.80/x
  3. Step 3: Cross multiply
    7,561,044,012.80x = 11,341,566,019.20 × 6,541,828,140.80
  4. Step 4: Simplify right side
    7,561,044,012.80x = 74,194,575,745,143,603,200
  5. Step 5: Solve for x
    x = 74,194,575,745,143,603,200/7,561,044,012.80
  6. Step 6: Final answer
    x = 9,812,742,211.20

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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.