Home / 1,109,575,339.77-1,664,601,534.81-322,642,666.38

Finding the Fourth Proportional to 1,109,575,339.77, 1,664,601,534.81 and 322,642,666.38

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Solution

The fourth proportional to 1,109,575,339.77, 1,664,601,534.81 and 322,642,666.38 is: 484,033,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,575,339.77 : 1,664,601,534.81 = 322,642,666.38 : x
  2. Step 2: Convert to fraction form
    1,109,575,339.77/1,664,601,534.81 = 322,642,666.38/x
  3. Step 3: Cross multiply
    1,109,575,339.77x = 1,664,601,534.81 × 322,642,666.38
  4. Step 4: Simplify right side
    1,109,575,339.77x = 537,071,477,651,338,752
  5. Step 5: Solve for x
    x = 537,071,477,651,338,752/1,109,575,339.77
  6. Step 6: Final answer
    x = 484,033,357.99

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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.