Home / 1,265,544,110.70-1,898,316,166.05-538,438,344.30

Finding the Fourth Proportional to 1,265,544,110.70, 1,898,316,166.05 and 538,438,344.30

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Solution

The fourth proportional to 1,265,544,110.70, 1,898,316,166.05 and 538,438,344.30 is: 807,657,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,544,110.70 : 1,898,316,166.05 = 538,438,344.30 : x
  2. Step 2: Convert to fraction form
    1,265,544,110.70/1,898,316,166.05 = 538,438,344.30/x
  3. Step 3: Cross multiply
    1,265,544,110.70x = 1,898,316,166.05 × 538,438,344.30
  4. Step 4: Simplify right side
    1,265,544,110.70x = 1,022,126,213,405,885,696
  5. Step 5: Solve for x
    x = 1,022,126,213,405,885,696/1,265,544,110.70
  6. Step 6: Final answer
    x = 807,657,516.45

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Double scale
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Similar ratio
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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.