Home / 1,234,606,761.07-1,851,519,860.51-405,423,710.08

Finding the Fourth Proportional to 1,234,606,761.07, 1,851,519,860.51 and 405,423,710.08

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Solution

The fourth proportional to 1,234,606,761.07, 1,851,519,860.51 and 405,423,710.08 is: 608,007,403.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,606,761.07 : 1,851,519,860.51 = 405,423,710.08 : x
  2. Step 2: Convert to fraction form
    1,234,606,761.07/1,851,519,860.51 = 405,423,710.08/x
  3. Step 3: Cross multiply
    1,234,606,761.07x = 1,851,519,860.51 × 405,423,710.08
  4. Step 4: Simplify right side
    1,234,606,761.07x = 750,650,051,134,768,256
  5. Step 5: Solve for x
    x = 750,650,051,134,768,256/1,234,606,761.07
  6. Step 6: Final answer
    x = 608,007,403.49

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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.