Home / 883,421,115.20-1,325,119,231.20-398,746,145.60

Finding the Fourth Proportional to 883,421,115.20, 1,325,119,231.20 and 398,746,145.60

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Solution

The fourth proportional to 883,421,115.20, 1,325,119,231.20 and 398,746,145.60 is: 598,113,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,421,115.20 : 1,325,119,231.20 = 398,746,145.60 : x
  2. Step 2: Convert to fraction form
    883,421,115.20/1,325,119,231.20 = 398,746,145.60/x
  3. Step 3: Cross multiply
    883,421,115.20x = 1,325,119,231.20 × 398,746,145.60
  4. Step 4: Simplify right side
    883,421,115.20x = 528,386,185,901,435,328
  5. Step 5: Solve for x
    x = 528,386,185,901,435,328/883,421,115.20
  6. Step 6: Final answer
    x = 598,113,602.69

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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.