Home / 10,900,733,753.13-15,045,811,479.39-7,099,728,466.98

Finding the Fourth Proportional to 10,900,733,753.13, 15,045,811,479.39 and 7,099,728,466.98

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Solution

The fourth proportional to 10,900,733,753.13, 15,045,811,479.39 and 7,099,728,466.98 is: 9,799,448,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,733,753.13 : 15,045,811,479.39 = 7,099,728,466.98 : x
  2. Step 2: Convert to fraction form
    10,900,733,753.13/15,045,811,479.39 = 7,099,728,466.98/x
  3. Step 3: Cross multiply
    10,900,733,753.13x = 15,045,811,479.39 × 7,099,728,466.98
  4. Step 4: Simplify right side
    10,900,733,753.13x = 106,821,176,069,128,224,768
  5. Step 5: Solve for x
    x = 106,821,176,069,128,224,768/10,900,733,753.13
  6. Step 6: Final answer
    x = 9,799,448,228.75

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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.