Home / 31,285,212,957.76-43,174,412,130.24-17,012,875,315.84

Finding the Fourth Proportional to 31,285,212,957.76, 43,174,412,130.24 and 17,012,875,315.84

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Solution

The fourth proportional to 31,285,212,957.76, 43,174,412,130.24 and 17,012,875,315.84 is: 23,478,212,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285,212,957.76 : 43,174,412,130.24 = 17,012,875,315.84 : x
  2. Step 2: Convert to fraction form
    31,285,212,957.76/43,174,412,130.24 = 17,012,875,315.84/x
  3. Step 3: Cross multiply
    31,285,212,957.76x = 43,174,412,130.24 × 17,012,875,315.84
  4. Step 4: Simplify right side
    31,285,212,957.76x = 734,520,890,406,463,078,400
  5. Step 5: Solve for x
    x = 734,520,890,406,463,078,400/31,285,212,957.76
  6. Step 6: Final answer
    x = 23,478,212,898.80

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Double scale
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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.