Home / 5,280,587,764.65-7,920,881,646.98-4,428,262,688.85

Finding the Fourth Proportional to 5,280,587,764.65, 7,920,881,646.98 and 4,428,262,688.85

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Solution

The fourth proportional to 5,280,587,764.65, 7,920,881,646.98 and 4,428,262,688.85 is: 6,642,394,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,587,764.65 : 7,920,881,646.98 = 4,428,262,688.85 : x
  2. Step 2: Convert to fraction form
    5,280,587,764.65/7,920,881,646.98 = 4,428,262,688.85/x
  3. Step 3: Cross multiply
    5,280,587,764.65x = 7,920,881,646.98 × 4,428,262,688.85
  4. Step 4: Simplify right side
    5,280,587,764.65x = 35,075,744,660,096,135,168
  5. Step 5: Solve for x
    x = 35,075,744,660,096,135,168/5,280,587,764.65
  6. Step 6: Final answer
    x = 6,642,394,033.28

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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.