Home / 10,715,229,440.77-14,787,844,918.91-6,428,604,080.67

Finding the Fourth Proportional to 10,715,229,440.77, 14,787,844,918.91 and 6,428,604,080.67

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Solution

The fourth proportional to 10,715,229,440.77, 14,787,844,918.91 and 6,428,604,080.67 is: 8,871,970,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715,229,440.77 : 14,787,844,918.91 = 6,428,604,080.67 : x
  2. Step 2: Convert to fraction form
    10,715,229,440.77/14,787,844,918.91 = 6,428,604,080.67/x
  3. Step 3: Cross multiply
    10,715,229,440.77x = 14,787,844,918.91 × 6,428,604,080.67
  4. Step 4: Simplify right side
    10,715,229,440.77x = 95,065,200,190,019,944,448
  5. Step 5: Solve for x
    x = 95,065,200,190,019,944,448/10,715,229,440.77
  6. Step 6: Final answer
    x = 8,871,970,564.47

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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.