Home / 3,139,169,968.40-4,708,754,952.60-1,570,116,987.96

Finding the Fourth Proportional to 3,139,169,968.40, 4,708,754,952.60 and 1,570,116,987.96

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Solution

The fourth proportional to 3,139,169,968.40, 4,708,754,952.60 and 1,570,116,987.96 is: 2,355,175,481.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,169,968.40 : 4,708,754,952.60 = 1,570,116,987.96 : x
  2. Step 2: Convert to fraction form
    3,139,169,968.40/4,708,754,952.60 = 1,570,116,987.96/x
  3. Step 3: Cross multiply
    3,139,169,968.40x = 4,708,754,952.60 × 1,570,116,987.96
  4. Step 4: Simplify right side
    3,139,169,968.40x = 7,393,296,143,218,044,928
  5. Step 5: Solve for x
    x = 7,393,296,143,218,044,928/3,139,169,968.40
  6. Step 6: Final answer
    x = 2,355,175,481.94

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.