Home / 5,280,588,011.90-7,920,882,017.85-4,428,262,936.10

Finding the Fourth Proportional to 5,280,588,011.90, 7,920,882,017.85 and 4,428,262,936.10

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Solution

The fourth proportional to 5,280,588,011.90, 7,920,882,017.85 and 4,428,262,936.10 is: 6,642,394,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,588,011.90 : 7,920,882,017.85 = 4,428,262,936.10 : x
  2. Step 2: Convert to fraction form
    5,280,588,011.90/7,920,882,017.85 = 4,428,262,936.10/x
  3. Step 3: Cross multiply
    5,280,588,011.90x = 7,920,882,017.85 × 4,428,262,936.10
  4. Step 4: Simplify right side
    5,280,588,011.90x = 35,075,748,260,866,138,112
  5. Step 5: Solve for x
    x = 35,075,748,260,866,138,112/5,280,588,011.90
  6. Step 6: Final answer
    x = 6,642,394,404.15

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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.