Home / 867,109,945.36-1,196,613,039.54-470,633,079.64

Finding the Fourth Proportional to 867,109,945.36, 1,196,613,039.54 and 470,633,079.64

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Solution

The fourth proportional to 867,109,945.36, 1,196,613,039.54 and 470,633,079.64 is: 649,474,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,109,945.36 : 1,196,613,039.54 = 470,633,079.64 : x
  2. Step 2: Convert to fraction form
    867,109,945.36/1,196,613,039.54 = 470,633,079.64/x
  3. Step 3: Cross multiply
    867,109,945.36x = 1,196,613,039.54 × 470,633,079.64
  4. Step 4: Simplify right side
    867,109,945.36x = 563,165,679,936,091,264
  5. Step 5: Solve for x
    x = 563,165,679,936,091,264/867,109,945.36
  6. Step 6: Final answer
    x = 649,474,363.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.