Home / 71,681,185,568.90-98,920,045,767.40-39,566,553,783.78

Finding the Fourth Proportional to 71,681,185,568.90, 98,920,045,767.40 and 39,566,553,783.78

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Solution

The fourth proportional to 71,681,185,568.90, 98,920,045,767.40 and 39,566,553,783.78 is: 54,601,849,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,681,185,568.90 : 98,920,045,767.40 = 39,566,553,783.78 : x
  2. Step 2: Convert to fraction form
    71,681,185,568.90/98,920,045,767.40 = 39,566,553,783.78/x
  3. Step 3: Cross multiply
    71,681,185,568.90x = 98,920,045,767.40 × 39,566,553,783.78
  4. Step 4: Simplify right side
    71,681,185,568.90x = 3,913,925,311,149,810,647,040
  5. Step 5: Solve for x
    x = 3,913,925,311,149,810,647,040/71,681,185,568.90
  6. Step 6: Final answer
    x = 54,601,849,566.06

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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.