Home / 68,518,643,404.72-94,555,999,994.88-38,443,164,271.60

Finding the Fourth Proportional to 68,518,643,404.72, 94,555,999,994.88 and 38,443,164,271.60

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Solution

The fourth proportional to 68,518,643,404.72, 94,555,999,994.88 and 38,443,164,271.60 is: 53,051,719,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,518,643,404.72 : 94,555,999,994.88 = 38,443,164,271.60 : x
  2. Step 2: Convert to fraction form
    68,518,643,404.72/94,555,999,994.88 = 38,443,164,271.60/x
  3. Step 3: Cross multiply
    68,518,643,404.72x = 94,555,999,994.88 × 38,443,164,271.60
  4. Step 4: Simplify right side
    68,518,643,404.72x = 3,635,031,840,668,580,839,424
  5. Step 5: Solve for x
    x = 3,635,031,840,668,580,839,424/68,518,643,404.72
  6. Step 6: Final answer
    x = 53,051,719,357.57

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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.