Home / 889,673,128.07-1,227,701,993.02-508,120,151.23

Finding the Fourth Proportional to 889,673,128.07, 1,227,701,993.02 and 508,120,151.23

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Solution

The fourth proportional to 889,673,128.07, 1,227,701,993.02 and 508,120,151.23 is: 701,179,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,673,128.07 : 1,227,701,993.02 = 508,120,151.23 : x
  2. Step 2: Convert to fraction form
    889,673,128.07/1,227,701,993.02 = 508,120,151.23/x
  3. Step 3: Cross multiply
    889,673,128.07x = 1,227,701,993.02 × 508,120,151.23
  4. Step 4: Simplify right side
    889,673,128.07x = 623,820,122,359,223,552
  5. Step 5: Solve for x
    x = 623,820,122,359,223,552/889,673,128.07
  6. Step 6: Final answer
    x = 701,179,009.10

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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.