Home / 1,161,758,927.52-1,603,227,352.68-640,238,159.52

Finding the Fourth Proportional to 1,161,758,927.52, 1,603,227,352.68 and 640,238,159.52

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Solution

The fourth proportional to 1,161,758,927.52, 1,603,227,352.68 and 640,238,159.52 is: 883,528,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,758,927.52 : 1,603,227,352.68 = 640,238,159.52 : x
  2. Step 2: Convert to fraction form
    1,161,758,927.52/1,603,227,352.68 = 640,238,159.52/x
  3. Step 3: Cross multiply
    1,161,758,927.52x = 1,603,227,352.68 × 640,238,159.52
  4. Step 4: Simplify right side
    1,161,758,927.52x = 1,026,447,329,571,965,184
  5. Step 5: Solve for x
    x = 1,026,447,329,571,965,184/1,161,758,927.52
  6. Step 6: Final answer
    x = 883,528,678.16

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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.