Home / 974,362,570.88-1,344,618,909.06-528,325,123.64

Finding the Fourth Proportional to 974,362,570.88, 1,344,618,909.06 and 528,325,123.64

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Solution

The fourth proportional to 974,362,570.88, 1,344,618,909.06 and 528,325,123.64 is: 729,087,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,362,570.88 : 1,344,618,909.06 = 528,325,123.64 : x
  2. Step 2: Convert to fraction form
    974,362,570.88/1,344,618,909.06 = 528,325,123.64/x
  3. Step 3: Cross multiply
    974,362,570.88x = 1,344,618,909.06 × 528,325,123.64
  4. Step 4: Simplify right side
    974,362,570.88x = 710,395,951,377,806,336
  5. Step 5: Solve for x
    x = 710,395,951,377,806,336/974,362,570.88
  6. Step 6: Final answer
    x = 729,087,890.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.