Home / 692,655,690.78-1,038,983,535.09-175,086,131.27

Finding the Fourth Proportional to 692,655,690.78, 1,038,983,535.09 and 175,086,131.27

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Solution

The fourth proportional to 692,655,690.78, 1,038,983,535.09 and 175,086,131.27 is: 262,629,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,655,690.78 : 1,038,983,535.09 = 175,086,131.27 : x
  2. Step 2: Convert to fraction form
    692,655,690.78/1,038,983,535.09 = 175,086,131.27/x
  3. Step 3: Cross multiply
    692,655,690.78x = 1,038,983,535.09 × 175,086,131.27
  4. Step 4: Simplify right side
    692,655,690.78x = 181,911,607,606,941,472
  5. Step 5: Solve for x
    x = 181,911,607,606,941,472/692,655,690.78
  6. Step 6: Final answer
    x = 262,629,196.62

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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.