Home / 710,096,998.40-1,064,473,651.20-419,187,507.20

Finding the Fourth Proportional to 710,096,998.40, 1,064,473,651.20 and 419,187,507.20

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Solution

The fourth proportional to 710,096,998.40, 1,064,473,651.20 and 419,187,507.20 is: 628,384,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,096,998.40 : 1,064,473,651.20 = 419,187,507.20 : x
  2. Step 2: Convert to fraction form
    710,096,998.40/1,064,473,651.20 = 419,187,507.20/x
  3. Step 3: Cross multiply
    710,096,998.40x = 1,064,473,651.20 × 419,187,507.20
  4. Step 4: Simplify right side
    710,096,998.40x = 446,214,056,326,610,304
  5. Step 5: Solve for x
    x = 446,214,056,326,610,304/710,096,998.40
  6. Step 6: Final answer
    x = 628,384,653.55

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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.