Home / 6,921,637,611.52-10,382,456,537.22-1,681,210,509.58

Finding the Fourth Proportional to 6,921,637,611.52, 10,382,456,537.22 and 1,681,210,509.58

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Solution

The fourth proportional to 6,921,637,611.52, 10,382,456,537.22 and 1,681,210,509.58 is: 2,521,815,793.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,637,611.52 : 10,382,456,537.22 = 1,681,210,509.58 : x
  2. Step 2: Convert to fraction form
    6,921,637,611.52/10,382,456,537.22 = 1,681,210,509.58/x
  3. Step 3: Cross multiply
    6,921,637,611.52x = 10,382,456,537.22 × 1,681,210,509.58
  4. Step 4: Simplify right side
    6,921,637,611.52x = 17,455,095,045,612,902,400
  5. Step 5: Solve for x
    x = 17,455,095,045,612,902,400/6,921,637,611.52
  6. Step 6: Final answer
    x = 2,521,815,793.50

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1.5x scale

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.