Home / 1,405,629,333.12-2,108,019,502.98-422,794,966.71

Finding the Fourth Proportional to 1,405,629,333.12, 2,108,019,502.98 and 422,794,966.71

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Solution

The fourth proportional to 1,405,629,333.12, 2,108,019,502.98 and 422,794,966.71 is: 634,064,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,629,333.12 : 2,108,019,502.98 = 422,794,966.71 : x
  2. Step 2: Convert to fraction form
    1,405,629,333.12/2,108,019,502.98 = 422,794,966.71/x
  3. Step 3: Cross multiply
    1,405,629,333.12x = 2,108,019,502.98 × 422,794,966.71
  4. Step 4: Simplify right side
    1,405,629,333.12x = 891,260,035,586,459,776
  5. Step 5: Solve for x
    x = 891,260,035,586,459,776/1,405,629,333.12
  6. Step 6: Final answer
    x = 634,064,767.00

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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.