Home / 405,671,250,443.51-608,526,446,323.20-133,389,471,217.77

Finding the Fourth Proportional to 405,671,250,443.51, 608,526,446,323.20 and 133,389,471,217.77

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Solution

The fourth proportional to 405,671,250,443.51, 608,526,446,323.20 and 133,389,471,217.77 is: 200,090,641,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,671,250,443.51 : 608,526,446,323.20 = 133,389,471,217.77 : x
  2. Step 2: Convert to fraction form
    405,671,250,443.51/608,526,446,323.20 = 133,389,471,217.77/x
  3. Step 3: Cross multiply
    405,671,250,443.51x = 608,526,446,323.20 × 133,389,471,217.77
  4. Step 4: Simplify right side
    405,671,250,443.51x = 81,171,020,897,080,341,168,128
  5. Step 5: Solve for x
    x = 81,171,020,897,080,341,168,128/405,671,250,443.51
  6. Step 6: Final answer
    x = 200,090,641,888.82

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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.