Home / 157,644,378,005.44-217,547,509,720.64-85,384,645,136.32

Finding the Fourth Proportional to 157,644,378,005.44, 217,547,509,720.64 and 85,384,645,136.32

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Solution

The fourth proportional to 157,644,378,005.44, 217,547,509,720.64 and 85,384,645,136.32 is: 117,829,872,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,644,378,005.44 : 217,547,509,720.64 = 85,384,645,136.32 : x
  2. Step 2: Convert to fraction form
    157,644,378,005.44/217,547,509,720.64 = 85,384,645,136.32/x
  3. Step 3: Cross multiply
    157,644,378,005.44x = 217,547,509,720.64 × 85,384,645,136.32
  4. Step 4: Simplify right side
    157,644,378,005.44x = 18,575,216,917,786,975,535,104
  5. Step 5: Solve for x
    x = 18,575,216,917,786,975,535,104/157,644,378,005.44
  6. Step 6: Final answer
    x = 117,829,872,227.64

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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.