Home / 1,018,562,502.38-1,405,616,267.86-554,988,486.38

Finding the Fourth Proportional to 1,018,562,502.38, 1,405,616,267.86 and 554,988,486.38

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Solution

The fourth proportional to 1,018,562,502.38, 1,405,616,267.86 and 554,988,486.38 is: 765,884,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,562,502.38 : 1,405,616,267.86 = 554,988,486.38 : x
  2. Step 2: Convert to fraction form
    1,018,562,502.38/1,405,616,267.86 = 554,988,486.38/x
  3. Step 3: Cross multiply
    1,018,562,502.38x = 1,405,616,267.86 × 554,988,486.38
  4. Step 4: Simplify right side
    1,018,562,502.38x = 780,100,844,922,310,528
  5. Step 5: Solve for x
    x = 780,100,844,922,310,528/1,018,562,502.38
  6. Step 6: Final answer
    x = 765,884,119.14

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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.