Home / 5,280,588,100.90-7,920,882,151.35-4,428,263,025.10

Finding the Fourth Proportional to 5,280,588,100.90, 7,920,882,151.35 and 4,428,263,025.10

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Solution

The fourth proportional to 5,280,588,100.90, 7,920,882,151.35 and 4,428,263,025.10 is: 6,642,394,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,588,100.90 : 7,920,882,151.35 = 4,428,263,025.10 : x
  2. Step 2: Convert to fraction form
    5,280,588,100.90/7,920,882,151.35 = 4,428,263,025.10/x
  3. Step 3: Cross multiply
    5,280,588,100.90x = 7,920,882,151.35 × 4,428,263,025.10
  4. Step 4: Simplify right side
    5,280,588,100.90x = 35,075,749,556,997,750,784
  5. Step 5: Solve for x
    x = 35,075,749,556,997,750,784/5,280,588,100.90
  6. Step 6: Final answer
    x = 6,642,394,537.65

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Double scale
Find fourth proportional to 5,280,588,101.90, 7,920,882,152.85 and 4,428,263,026.10
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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.