Home / 1,816,156,873.01-2,506,296,461.81-980,781,369.80

Finding the Fourth Proportional to 1,816,156,873.01, 2,506,296,461.81 and 980,781,369.80

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Solution

The fourth proportional to 1,816,156,873.01, 2,506,296,461.81 and 980,781,369.80 is: 1,353,478,277.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,156,873.01 : 2,506,296,461.81 = 980,781,369.80 : x
  2. Step 2: Convert to fraction form
    1,816,156,873.01/2,506,296,461.81 = 980,781,369.80/x
  3. Step 3: Cross multiply
    1,816,156,873.01x = 2,506,296,461.81 × 980,781,369.80
  4. Step 4: Simplify right side
    1,816,156,873.01x = 2,458,128,876,921,469,440
  5. Step 5: Solve for x
    x = 2,458,128,876,921,469,440/1,816,156,873.01
  6. Step 6: Final answer
    x = 1,353,478,277.92

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Double scale
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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.