Home / 858,088,690.80-1,287,133,036.20-283,660,018.80

Finding the Fourth Proportional to 858,088,690.80, 1,287,133,036.20 and 283,660,018.80

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Solution

The fourth proportional to 858,088,690.80, 1,287,133,036.20 and 283,660,018.80 is: 425,490,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,088,690.80 : 1,287,133,036.20 = 283,660,018.80 : x
  2. Step 2: Convert to fraction form
    858,088,690.80/1,287,133,036.20 = 283,660,018.80/x
  3. Step 3: Cross multiply
    858,088,690.80x = 1,287,133,036.20 × 283,660,018.80
  4. Step 4: Simplify right side
    858,088,690.80x = 365,108,181,246,593,088
  5. Step 5: Solve for x
    x = 365,108,181,246,593,088/858,088,690.80
  6. Step 6: Final answer
    x = 425,490,028.20

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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.