Home / 8,789,870,910.40-13,184,806,365.60-8,116,428,875.20

Finding the Fourth Proportional to 8,789,870,910.40, 13,184,806,365.60 and 8,116,428,875.20

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Solution

The fourth proportional to 8,789,870,910.40, 13,184,806,365.60 and 8,116,428,875.20 is: 12,174,643,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789,870,910.40 : 13,184,806,365.60 = 8,116,428,875.20 : x
  2. Step 2: Convert to fraction form
    8,789,870,910.40/13,184,806,365.60 = 8,116,428,875.20/x
  3. Step 3: Cross multiply
    8,789,870,910.40x = 13,184,806,365.60 × 8,116,428,875.20
  4. Step 4: Simplify right side
    8,789,870,910.40x = 107,013,543,099,676,606,464
  5. Step 5: Solve for x
    x = 107,013,543,099,676,606,464/8,789,870,910.40
  6. Step 6: Final answer
    x = 12,174,643,312.80

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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.