Home / 1,213,755,718-1,819,896,325.80-475,941,710.56

Finding the Fourth Proportional to 1,213,755,718, 1,819,896,325.80 and 475,941,710.56

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Solution

The fourth proportional to 1,213,755,718, 1,819,896,325.80 and 475,941,710.56 is: 713,623,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,755,718 : 1,819,896,325.80 = 475,941,710.56 : x
  2. Step 2: Convert to fraction form
    1,213,755,718/1,819,896,325.80 = 475,941,710.56/x
  3. Step 3: Cross multiply
    1,213,755,718x = 1,819,896,325.80 × 475,941,710.56
  4. Step 4: Simplify right side
    1,213,755,718x = 866,164,570,343,111,040
  5. Step 5: Solve for x
    x = 866,164,570,343,111,040/1,213,755,718
  6. Step 6: Final answer
    x = 713,623,472.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.