Home / 667,485,365.40-1,001,653,200.90-391,136,045.40

Finding the Fourth Proportional to 667,485,365.40, 1,001,653,200.90 and 391,136,045.40

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Solution

The fourth proportional to 667,485,365.40, 1,001,653,200.90 and 391,136,045.40 is: 586,953,201.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,485,365.40 : 1,001,653,200.90 = 391,136,045.40 : x
  2. Step 2: Convert to fraction form
    667,485,365.40/1,001,653,200.90 = 391,136,045.40/x
  3. Step 3: Cross multiply
    667,485,365.40x = 1,001,653,200.90 × 391,136,045.40
  4. Step 4: Simplify right side
    667,485,365.40x = 391,782,671,862,277,696
  5. Step 5: Solve for x
    x = 391,782,671,862,277,696/667,485,365.40
  6. Step 6: Final answer
    x = 586,953,201.03

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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.