Home / 5,280,587,750.15-7,920,881,625.23-4,428,262,674.35

Finding the Fourth Proportional to 5,280,587,750.15, 7,920,881,625.23 and 4,428,262,674.35

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Solution

The fourth proportional to 5,280,587,750.15, 7,920,881,625.23 and 4,428,262,674.35 is: 6,642,394,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,587,750.15 : 7,920,881,625.23 = 4,428,262,674.35 : x
  2. Step 2: Convert to fraction form
    5,280,587,750.15/7,920,881,625.23 = 4,428,262,674.35/x
  3. Step 3: Cross multiply
    5,280,587,750.15x = 7,920,881,625.23 × 4,428,262,674.35
  4. Step 4: Simplify right side
    5,280,587,750.15x = 35,075,744,448,950,775,808
  5. Step 5: Solve for x
    x = 35,075,744,448,950,775,808/5,280,587,750.15
  6. Step 6: Final answer
    x = 6,642,394,011.53

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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.