Home / 754,999,563.56-1,041,931,722.93-420,472,085.12

Finding the Fourth Proportional to 754,999,563.56, 1,041,931,722.93 and 420,472,085.12

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Solution

The fourth proportional to 754,999,563.56, 1,041,931,722.93 and 420,472,085.12 is: 580,269,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,999,563.56 : 1,041,931,722.93 = 420,472,085.12 : x
  2. Step 2: Convert to fraction form
    754,999,563.56/1,041,931,722.93 = 420,472,085.12/x
  3. Step 3: Cross multiply
    754,999,563.56x = 1,041,931,722.93 × 420,472,085.12
  4. Step 4: Simplify right side
    754,999,563.56x = 438,103,204,093,051,200
  5. Step 5: Solve for x
    x = 438,103,204,093,051,200/754,999,563.56
  6. Step 6: Final answer
    x = 580,269,479.93

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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.