Home / 528,815,621.70-793,223,432.55-140,637,701.70

Finding the Fourth Proportional to 528,815,621.70, 793,223,432.55 and 140,637,701.70

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Solution

The fourth proportional to 528,815,621.70, 793,223,432.55 and 140,637,701.70 is: 210,956,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,815,621.70 : 793,223,432.55 = 140,637,701.70 : x
  2. Step 2: Convert to fraction form
    528,815,621.70/793,223,432.55 = 140,637,701.70/x
  3. Step 3: Cross multiply
    528,815,621.70x = 793,223,432.55 × 140,637,701.70
  4. Step 4: Simplify right side
    528,815,621.70x = 111,557,120,488,416,960
  5. Step 5: Solve for x
    x = 111,557,120,488,416,960/528,815,621.70
  6. Step 6: Final answer
    x = 210,956,552.55

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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.