Home / 708,608,330.20-1,062,912,495.30-645,118,845.40

Finding the Fourth Proportional to 708,608,330.20, 1,062,912,495.30 and 645,118,845.40

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Solution

The fourth proportional to 708,608,330.20, 1,062,912,495.30 and 645,118,845.40 is: 967,678,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,608,330.20 : 1,062,912,495.30 = 645,118,845.40 : x
  2. Step 2: Convert to fraction form
    708,608,330.20/1,062,912,495.30 = 645,118,845.40/x
  3. Step 3: Cross multiply
    708,608,330.20x = 1,062,912,495.30 × 645,118,845.40
  4. Step 4: Simplify right side
    708,608,330.20x = 685,704,881,729,168,896
  5. Step 5: Solve for x
    x = 685,704,881,729,168,896/708,608,330.20
  6. Step 6: Final answer
    x = 967,678,268.10

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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.