Home / 779,235,447.96-1,075,306,559.92-426,813,006

Finding the Fourth Proportional to 779,235,447.96, 1,075,306,559.92 and 426,813,006

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Solution

The fourth proportional to 779,235,447.96, 1,075,306,559.92 and 426,813,006 is: 588,980,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,235,447.96 : 1,075,306,559.92 = 426,813,006 : x
  2. Step 2: Convert to fraction form
    779,235,447.96/1,075,306,559.92 = 426,813,006/x
  3. Step 3: Cross multiply
    779,235,447.96x = 1,075,306,559.92 × 426,813,006
  4. Step 4: Simplify right side
    779,235,447.96x = 458,954,825,210,974,336
  5. Step 5: Solve for x
    x = 458,954,825,210,974,336/779,235,447.96
  6. Step 6: Final answer
    x = 588,980,938.19

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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.