Home / 1,203,742,287.40-1,805,613,431.10-1,020,076,277.80

Finding the Fourth Proportional to 1,203,742,287.40, 1,805,613,431.10 and 1,020,076,277.80

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Solution

The fourth proportional to 1,203,742,287.40, 1,805,613,431.10 and 1,020,076,277.80 is: 1,530,114,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,742,287.40 : 1,805,613,431.10 = 1,020,076,277.80 : x
  2. Step 2: Convert to fraction form
    1,203,742,287.40/1,805,613,431.10 = 1,020,076,277.80/x
  3. Step 3: Cross multiply
    1,203,742,287.40x = 1,805,613,431.10 × 1,020,076,277.80
  4. Step 4: Simplify right side
    1,203,742,287.40x = 1,841,863,427,942,174,464
  5. Step 5: Solve for x
    x = 1,841,863,427,942,174,464/1,203,742,287.40
  6. Step 6: Final answer
    x = 1,530,114,416.70

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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.