Home / 5,280,587,809.15-7,920,881,713.73-4,428,262,733.35

Finding the Fourth Proportional to 5,280,587,809.15, 7,920,881,713.73 and 4,428,262,733.35

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Solution

The fourth proportional to 5,280,587,809.15, 7,920,881,713.73 and 4,428,262,733.35 is: 6,642,394,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,587,809.15 : 7,920,881,713.73 = 4,428,262,733.35 : x
  2. Step 2: Convert to fraction form
    5,280,587,809.15/7,920,881,713.73 = 4,428,262,733.35/x
  3. Step 3: Cross multiply
    5,280,587,809.15x = 7,920,881,713.73 × 4,428,262,733.35
  4. Step 4: Simplify right side
    5,280,587,809.15x = 35,075,745,308,184,043,520
  5. Step 5: Solve for x
    x = 35,075,745,308,184,043,520/5,280,587,809.15
  6. Step 6: Final answer
    x = 6,642,394,100.03

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Double scale
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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.