Home / 19,893,594,852.25-27,465,550,525.79-12,663,721,692.52

Finding the Fourth Proportional to 19,893,594,852.25, 27,465,550,525.79 and 12,663,721,692.52

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Solution

The fourth proportional to 19,893,594,852.25, 27,465,550,525.79 and 12,663,721,692.52 is: 17,483,822,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893,594,852.25 : 27,465,550,525.79 = 12,663,721,692.52 : x
  2. Step 2: Convert to fraction form
    19,893,594,852.25/27,465,550,525.79 = 12,663,721,692.52/x
  3. Step 3: Cross multiply
    19,893,594,852.25x = 27,465,550,525.79 × 12,663,721,692.52
  4. Step 4: Simplify right side
    19,893,594,852.25x = 347,816,087,990,368,534,528
  5. Step 5: Solve for x
    x = 347,816,087,990,368,534,528/19,893,594,852.25
  6. Step 6: Final answer
    x = 17,483,822,837.13

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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.