Home / 680,045,426.40-1,020,068,139.60-543,996,530.40

Finding the Fourth Proportional to 680,045,426.40, 1,020,068,139.60 and 543,996,530.40

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Solution

The fourth proportional to 680,045,426.40, 1,020,068,139.60 and 543,996,530.40 is: 815,994,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,045,426.40 : 1,020,068,139.60 = 543,996,530.40 : x
  2. Step 2: Convert to fraction form
    680,045,426.40/1,020,068,139.60 = 543,996,530.40/x
  3. Step 3: Cross multiply
    680,045,426.40x = 1,020,068,139.60 × 543,996,530.40
  4. Step 4: Simplify right side
    680,045,426.40x = 554,913,528,713,982,848
  5. Step 5: Solve for x
    x = 554,913,528,713,982,848/680,045,426.40
  6. Step 6: Final answer
    x = 815,994,795.60

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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.