Home / 1,114,857,296.54-1,538,126,497.76-631,997,445.51

Finding the Fourth Proportional to 1,114,857,296.54, 1,538,126,497.76 and 631,997,445.51

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Solution

The fourth proportional to 1,114,857,296.54, 1,538,126,497.76 and 631,997,445.51 is: 871,943,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,857,296.54 : 1,538,126,497.76 = 631,997,445.51 : x
  2. Step 2: Convert to fraction form
    1,114,857,296.54/1,538,126,497.76 = 631,997,445.51/x
  3. Step 3: Cross multiply
    1,114,857,296.54x = 1,538,126,497.76 × 631,997,445.51
  4. Step 4: Simplify right side
    1,114,857,296.54x = 972,092,017,452,402,816
  5. Step 5: Solve for x
    x = 972,092,017,452,402,816/1,114,857,296.54
  6. Step 6: Final answer
    x = 871,943,001.56

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Double scale
Find fourth proportional to 1,114,857,297.54, 1,538,126,499.13 and 631,997,446.51
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1.5x scale

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.