Home / 1,294,890,560.82-1,786,947,714.09-700,173,621.18

Finding the Fourth Proportional to 1,294,890,560.82, 1,786,947,714.09 and 700,173,621.18

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Solution

The fourth proportional to 1,294,890,560.82, 1,786,947,714.09 and 700,173,621.18 is: 966,238,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,890,560.82 : 1,786,947,714.09 = 700,173,621.18 : x
  2. Step 2: Convert to fraction form
    1,294,890,560.82/1,786,947,714.09 = 700,173,621.18/x
  3. Step 3: Cross multiply
    1,294,890,560.82x = 1,786,947,714.09 × 700,173,621.18
  4. Step 4: Simplify right side
    1,294,890,560.82x = 1,251,173,651,833,718,528
  5. Step 5: Solve for x
    x = 1,251,173,651,833,718,528/1,294,890,560.82
  6. Step 6: Final answer
    x = 966,238,916.01

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Double scale
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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.