Home / 708,795,320.40-1,063,192,980.60-459,124,338.60

Finding the Fourth Proportional to 708,795,320.40, 1,063,192,980.60 and 459,124,338.60

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Solution

The fourth proportional to 708,795,320.40, 1,063,192,980.60 and 459,124,338.60 is: 688,686,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,795,320.40 : 1,063,192,980.60 = 459,124,338.60 : x
  2. Step 2: Convert to fraction form
    708,795,320.40/1,063,192,980.60 = 459,124,338.60/x
  3. Step 3: Cross multiply
    708,795,320.40x = 1,063,192,980.60 × 459,124,338.60
  4. Step 4: Simplify right side
    708,795,320.40x = 488,137,774,022,137,664
  5. Step 5: Solve for x
    x = 488,137,774,022,137,664/708,795,320.40
  6. Step 6: Final answer
    x = 688,686,507.90

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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.