Home / 15,576,849,036.84-21,496,070,566.44-8,440,257,329.28

Finding the Fourth Proportional to 15,576,849,036.84, 21,496,070,566.44 and 8,440,257,329.28

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Solution

The fourth proportional to 15,576,849,036.84, 21,496,070,566.44 and 8,440,257,329.28 is: 11,647,565,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576,849,036.84 : 21,496,070,566.44 = 8,440,257,329.28 : x
  2. Step 2: Convert to fraction form
    15,576,849,036.84/21,496,070,566.44 = 8,440,257,329.28/x
  3. Step 3: Cross multiply
    15,576,849,036.84x = 21,496,070,566.44 × 8,440,257,329.28
  4. Step 4: Simplify right side
    15,576,849,036.84x = 181,432,367,149,115,277,312
  5. Step 5: Solve for x
    x = 181,432,367,149,115,277,312/15,576,849,036.84
  6. Step 6: Final answer
    x = 11,647,565,352.92

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1.5x scale

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.