Home / 980,010,455.19-1,352,397,325.71-533,977,510.53

Finding the Fourth Proportional to 980,010,455.19, 1,352,397,325.71 and 533,977,510.53

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Solution

The fourth proportional to 980,010,455.19, 1,352,397,325.71 and 533,977,510.53 is: 736,879,645.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,010,455.19 : 1,352,397,325.71 = 533,977,510.53 : x
  2. Step 2: Convert to fraction form
    980,010,455.19/1,352,397,325.71 = 533,977,510.53/x
  3. Step 3: Cross multiply
    980,010,455.19x = 1,352,397,325.71 × 533,977,510.53
  4. Step 4: Simplify right side
    980,010,455.19x = 722,149,757,230,055,296
  5. Step 5: Solve for x
    x = 722,149,757,230,055,296/980,010,455.19
  6. Step 6: Final answer
    x = 736,879,645.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.