Home / 31,750,698,630.11-47,626,047,928.76-11,855,139,791.72

Finding the Fourth Proportional to 31,750,698,630.11, 47,626,047,928.76 and 11,855,139,791.72

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Solution

The fourth proportional to 31,750,698,630.11, 47,626,047,928.76 and 11,855,139,791.72 is: 17,782,709,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,750,698,630.11 : 47,626,047,928.76 = 11,855,139,791.72 : x
  2. Step 2: Convert to fraction form
    31,750,698,630.11/47,626,047,928.76 = 11,855,139,791.72/x
  3. Step 3: Cross multiply
    31,750,698,630.11x = 47,626,047,928.76 × 11,855,139,791.72
  4. Step 4: Simplify right side
    31,750,698,630.11x = 564,613,455,922,309,103,616
  5. Step 5: Solve for x
    x = 564,613,455,922,309,103,616/31,750,698,630.11
  6. Step 6: Final answer
    x = 17,782,709,681.45

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Double scale
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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.