Home / 645,658,987.56-968,482,098.81-295,805,818.50

Finding the Fourth Proportional to 645,658,987.56, 968,482,098.81 and 295,805,818.50

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Solution

The fourth proportional to 645,658,987.56, 968,482,098.81 and 295,805,818.50 is: 443,705,803.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,658,987.56 : 968,482,098.81 = 295,805,818.50 : x
  2. Step 2: Convert to fraction form
    645,658,987.56/968,482,098.81 = 295,805,818.50/x
  3. Step 3: Cross multiply
    645,658,987.56x = 968,482,098.81 × 295,805,818.50
  4. Step 4: Simplify right side
    645,658,987.56x = 286,482,639,941,089,920
  5. Step 5: Solve for x
    x = 286,482,639,941,089,920/645,658,987.56
  6. Step 6: Final answer
    x = 443,705,803.62

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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.