Home / 425,121,875,227.72-638,136,606,236.72-183,218,365,657.01

Finding the Fourth Proportional to 425,121,875,227.72, 638,136,606,236.72 and 183,218,365,657.01

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Solution

The fourth proportional to 425,121,875,227.72, 638,136,606,236.72 and 183,218,365,657.01 is: 275,023,123,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,121,875,227.72 : 638,136,606,236.72 = 183,218,365,657.01 : x
  2. Step 2: Convert to fraction form
    425,121,875,227.72/638,136,606,236.72 = 183,218,365,657.01/x
  3. Step 3: Cross multiply
    425,121,875,227.72x = 638,136,606,236.72 × 183,218,365,657.01
  4. Step 4: Simplify right side
    425,121,875,227.72x = 116,918,346,060,602,770,718,720
  5. Step 5: Solve for x
    x = 116,918,346,060,602,770,718,720/425,121,875,227.72
  6. Step 6: Final answer
    x = 275,023,123,658.30

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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.