Home / 680,809,938.80-1,019,703,253.80-559,877,586.80

Finding the Fourth Proportional to 680,809,938.80, 1,019,703,253.80 and 559,877,586.80

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Solution

The fourth proportional to 680,809,938.80, 1,019,703,253.80 and 559,877,586.80 is: 838,573,241.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,809,938.80 : 1,019,703,253.80 = 559,877,586.80 : x
  2. Step 2: Convert to fraction form
    680,809,938.80/1,019,703,253.80 = 559,877,586.80/x
  3. Step 3: Cross multiply
    680,809,938.80x = 1,019,703,253.80 × 559,877,586.80
  4. Step 4: Simplify right side
    680,809,938.80x = 570,908,996,989,651,840
  5. Step 5: Solve for x
    x = 570,908,996,989,651,840/680,809,938.80
  6. Step 6: Final answer
    x = 838,573,241.15

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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.