Home / 668,768,435.40-1,003,152,653.10-496,581,551.40

Finding the Fourth Proportional to 668,768,435.40, 1,003,152,653.10 and 496,581,551.40

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Solution

The fourth proportional to 668,768,435.40, 1,003,152,653.10 and 496,581,551.40 is: 744,872,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,768,435.40 : 1,003,152,653.10 = 496,581,551.40 : x
  2. Step 2: Convert to fraction form
    668,768,435.40/1,003,152,653.10 = 496,581,551.40/x
  3. Step 3: Cross multiply
    668,768,435.40x = 1,003,152,653.10 × 496,581,551.40
  4. Step 4: Simplify right side
    668,768,435.40x = 498,147,100,767,424,000
  5. Step 5: Solve for x
    x = 498,147,100,767,424,000/668,768,435.40
  6. Step 6: Final answer
    x = 744,872,327.10

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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.