Home / 31,281,295,089.12-43,169,738,180.40-19,404,226,468.32

Finding the Fourth Proportional to 31,281,295,089.12, 43,169,738,180.40 and 19,404,226,468.32

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Solution

The fourth proportional to 31,281,295,089.12, 43,169,738,180.40 and 19,404,226,468.32 is: 26,778,794,606.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,281,295,089.12 : 43,169,738,180.40 = 19,404,226,468.32 : x
  2. Step 2: Convert to fraction form
    31,281,295,089.12/43,169,738,180.40 = 19,404,226,468.32/x
  3. Step 3: Cross multiply
    31,281,295,089.12x = 43,169,738,180.40 × 19,404,226,468.32
  4. Step 4: Simplify right side
    31,281,295,089.12x = 837,675,376,230,562,136,064
  5. Step 5: Solve for x
    x = 837,675,376,230,562,136,064/31,281,295,089.12
  6. Step 6: Final answer
    x = 26,778,794,606.94

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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.