Home / 21,208,852,149.93-31,816,547,085.24-7,231,205,182.41

Finding the Fourth Proportional to 21,208,852,149.93, 31,816,547,085.24 and 7,231,205,182.41

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Solution

The fourth proportional to 21,208,852,149.93, 31,816,547,085.24 and 7,231,205,182.41 is: 10,847,922,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,208,852,149.93 : 31,816,547,085.24 = 7,231,205,182.41 : x
  2. Step 2: Convert to fraction form
    21,208,852,149.93/31,816,547,085.24 = 7,231,205,182.41/x
  3. Step 3: Cross multiply
    21,208,852,149.93x = 31,816,547,085.24 × 7,231,205,182.41
  4. Step 4: Simplify right side
    21,208,852,149.93x = 230,071,980,169,179,267,072
  5. Step 5: Solve for x
    x = 230,071,980,169,179,267,072/21,208,852,149.93
  6. Step 6: Final answer
    x = 10,847,922,298.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.