Home / 19,231,985,547.96-26,565,035,995.18-15,903,927,220.92

Finding the Fourth Proportional to 19,231,985,547.96, 26,565,035,995.18 and 15,903,927,220.92

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Solution

The fourth proportional to 19,231,985,547.96, 26,565,035,995.18 and 15,903,927,220.92 is: 21,968,007,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231,985,547.96 : 26,565,035,995.18 = 15,903,927,220.92 : x
  2. Step 2: Convert to fraction form
    19,231,985,547.96/26,565,035,995.18 = 15,903,927,220.92/x
  3. Step 3: Cross multiply
    19,231,985,547.96x = 26,565,035,995.18 × 15,903,927,220.92
  4. Step 4: Simplify right side
    19,231,985,547.96x = 422,488,399,088,462,856,192
  5. Step 5: Solve for x
    x = 422,488,399,088,462,856,192/19,231,985,547.96
  6. Step 6: Final answer
    x = 21,968,007,309.22

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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.