Home / 1,663,341,078.94-2,295,428,828.79-920,797,541.98

Finding the Fourth Proportional to 1,663,341,078.94, 2,295,428,828.79 and 920,797,541.98

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Solution

The fourth proportional to 1,663,341,078.94, 2,295,428,828.79 and 920,797,541.98 is: 1,270,710,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,341,078.94 : 2,295,428,828.79 = 920,797,541.98 : x
  2. Step 2: Convert to fraction form
    1,663,341,078.94/2,295,428,828.79 = 920,797,541.98/x
  3. Step 3: Cross multiply
    1,663,341,078.94x = 2,295,428,828.79 × 920,797,541.98
  4. Step 4: Simplify right side
    1,663,341,078.94x = 2,113,625,223,339,862,272
  5. Step 5: Solve for x
    x = 2,113,625,223,339,862,272/1,663,341,078.94
  6. Step 6: Final answer
    x = 1,270,710,649.85

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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.