Home / 1,316,466,845.51-1,816,909,330.59-814,836,536.33

Finding the Fourth Proportional to 1,316,466,845.51, 1,816,909,330.59 and 814,836,536.33

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Solution

The fourth proportional to 1,316,466,845.51, 1,816,909,330.59 and 814,836,536.33 is: 1,124,588,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,466,845.51 : 1,816,909,330.59 = 814,836,536.33 : x
  2. Step 2: Convert to fraction form
    1,316,466,845.51/1,816,909,330.59 = 814,836,536.33/x
  3. Step 3: Cross multiply
    1,316,466,845.51x = 1,816,909,330.59 × 814,836,536.33
  4. Step 4: Simplify right side
    1,316,466,845.51x = 1,480,484,105,754,530,048
  5. Step 5: Solve for x
    x = 1,480,484,105,754,530,048/1,316,466,845.51
  6. Step 6: Final answer
    x = 1,124,588,979.06

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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.