Home / 6,628,842,515.40-9,159,768,729.57-4,720,290,533.15

Finding the Fourth Proportional to 6,628,842,515.40, 9,159,768,729.57 and 4,720,290,533.15

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Solution

The fourth proportional to 6,628,842,515.40, 9,159,768,729.57 and 4,720,290,533.15 is: 6,522,521,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628,842,515.40 : 9,159,768,729.57 = 4,720,290,533.15 : x
  2. Step 2: Convert to fraction form
    6,628,842,515.40/9,159,768,729.57 = 4,720,290,533.15/x
  3. Step 3: Cross multiply
    6,628,842,515.40x = 9,159,768,729.57 × 4,720,290,533.15
  4. Step 4: Simplify right side
    6,628,842,515.40x = 43,236,769,619,986,874,368
  5. Step 5: Solve for x
    x = 43,236,769,619,986,874,368/6,628,842,515.40
  6. Step 6: Final answer
    x = 6,522,521,770.51

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.