Home / 928,537,977.90-1,281,382,366.38-510,841,295.12

Finding the Fourth Proportional to 928,537,977.90, 1,281,382,366.38 and 510,841,295.12

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Solution

The fourth proportional to 928,537,977.90, 1,281,382,366.38 and 510,841,295.12 is: 704,960,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,537,977.90 : 1,281,382,366.38 = 510,841,295.12 : x
  2. Step 2: Convert to fraction form
    928,537,977.90/1,281,382,366.38 = 510,841,295.12/x
  3. Step 3: Cross multiply
    928,537,977.90x = 1,281,382,366.38 × 510,841,295.12
  4. Step 4: Simplify right side
    928,537,977.90x = 654,583,027,585,489,664
  5. Step 5: Solve for x
    x = 654,583,027,585,489,664/928,537,977.90
  6. Step 6: Final answer
    x = 704,960,963.54

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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.