Home / 1,020,084,077.12-1,530,134,688-283,211,440.32

Finding the Fourth Proportional to 1,020,084,077.12, 1,530,134,688 and 283,211,440.32

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Solution

The fourth proportional to 1,020,084,077.12, 1,530,134,688 and 283,211,440.32 is: 424,819,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,084,077.12 : 1,530,134,688 = 283,211,440.32 : x
  2. Step 2: Convert to fraction form
    1,020,084,077.12/1,530,134,688 = 283,211,440.32/x
  3. Step 3: Cross multiply
    1,020,084,077.12x = 1,530,134,688 × 283,211,440.32
  4. Step 4: Simplify right side
    1,020,084,077.12x = 433,351,648,872,073,792
  5. Step 5: Solve for x
    x = 433,351,648,872,073,792/1,020,084,077.12
  6. Step 6: Final answer
    x = 424,819,540.46

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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.