Home / 1,653,893,502.78-2,282,421,718.71-911,385,395.10

Finding the Fourth Proportional to 1,653,893,502.78, 2,282,421,718.71 and 911,385,395.10

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Solution

The fourth proportional to 1,653,893,502.78, 2,282,421,718.71 and 911,385,395.10 is: 1,257,738,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,893,502.78 : 2,282,421,718.71 = 911,385,395.10 : x
  2. Step 2: Convert to fraction form
    1,653,893,502.78/2,282,421,718.71 = 911,385,395.10/x
  3. Step 3: Cross multiply
    1,653,893,502.78x = 2,282,421,718.71 × 911,385,395.10
  4. Step 4: Simplify right side
    1,653,893,502.78x = 2,080,165,819,891,334,400
  5. Step 5: Solve for x
    x = 2,080,165,819,891,334,400/1,653,893,502.78
  6. Step 6: Final answer
    x = 1,257,738,673.25

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Double scale
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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.