Home / 70,780,821,235.25-97,700,810,964.35-56,339,406,376.92

Finding the Fourth Proportional to 70,780,821,235.25, 97,700,810,964.35 and 56,339,406,376.92

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Solution

The fourth proportional to 70,780,821,235.25, 97,700,810,964.35 and 56,339,406,376.92 is: 77,766,909,117.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,780,821,235.25 : 97,700,810,964.35 = 56,339,406,376.92 : x
  2. Step 2: Convert to fraction form
    70,780,821,235.25/97,700,810,964.35 = 56,339,406,376.92/x
  3. Step 3: Cross multiply
    70,780,821,235.25x = 97,700,810,964.35 × 56,339,406,376.92
  4. Step 4: Simplify right side
    70,780,821,235.25x = 5,504,405,692,274,874,253,312
  5. Step 5: Solve for x
    x = 5,504,405,692,274,874,253,312/70,780,821,235.25
  6. Step 6: Final answer
    x = 77,766,909,117.66

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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.