Home / 511,758,415.40-767,637,623.10-184,284,471.20

Finding the Fourth Proportional to 511,758,415.40, 767,637,623.10 and 184,284,471.20

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Solution

The fourth proportional to 511,758,415.40, 767,637,623.10 and 184,284,471.20 is: 276,426,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,758,415.40 : 767,637,623.10 = 184,284,471.20 : x
  2. Step 2: Convert to fraction form
    511,758,415.40/767,637,623.10 = 184,284,471.20/x
  3. Step 3: Cross multiply
    511,758,415.40x = 767,637,623.10 × 184,284,471.20
  4. Step 4: Simplify right side
    511,758,415.40x = 141,463,693,446,208,400
  5. Step 5: Solve for x
    x = 141,463,693,446,208,400/511,758,415.40
  6. Step 6: Final answer
    x = 276,426,706.80

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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.