Home / 405,671,250,439.76-608,526,446,317.55-133,389,471,214.02

Finding the Fourth Proportional to 405,671,250,439.76, 608,526,446,317.55 and 133,389,471,214.02

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Solution

The fourth proportional to 405,671,250,439.76, 608,526,446,317.55 and 133,389,471,214.02 is: 200,090,641,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,671,250,439.76 : 608,526,446,317.55 = 133,389,471,214.02 : x
  2. Step 2: Convert to fraction form
    405,671,250,439.76/608,526,446,317.55 = 133,389,471,214.02/x
  3. Step 3: Cross multiply
    405,671,250,439.76x = 608,526,446,317.55 × 133,389,471,214.02
  4. Step 4: Simplify right side
    405,671,250,439.76x = 81,171,020,894,044,738,813,952
  5. Step 5: Solve for x
    x = 81,171,020,894,044,738,813,952/405,671,250,439.76
  6. Step 6: Final answer
    x = 200,090,641,883.18

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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.