Home / 654,999,869.40-982,216,368.90-266,693,645.40

Finding the Fourth Proportional to 654,999,869.40, 982,216,368.90 and 266,693,645.40

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Solution

The fourth proportional to 654,999,869.40, 982,216,368.90 and 266,693,645.40 is: 399,925,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,999,869.40 : 982,216,368.90 = 266,693,645.40 : x
  2. Step 2: Convert to fraction form
    654,999,869.40/982,216,368.90 = 266,693,645.40/x
  3. Step 3: Cross multiply
    654,999,869.40x = 982,216,368.90 × 266,693,645.40
  4. Step 4: Simplify right side
    654,999,869.40x = 261,950,863,993,492,192
  5. Step 5: Solve for x
    x = 261,950,863,993,492,192/654,999,869.40
  6. Step 6: Final answer
    x = 399,925,062.94

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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.