Home / 42,806,882,407.80-64,210,323,611.70-38,949,896,206.20

Finding the Fourth Proportional to 42,806,882,407.80, 64,210,323,611.70 and 38,949,896,206.20

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Solution

The fourth proportional to 42,806,882,407.80, 64,210,323,611.70 and 38,949,896,206.20 is: 58,424,844,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,806,882,407.80 : 64,210,323,611.70 = 38,949,896,206.20 : x
  2. Step 2: Convert to fraction form
    42,806,882,407.80/64,210,323,611.70 = 38,949,896,206.20/x
  3. Step 3: Cross multiply
    42,806,882,407.80x = 64,210,323,611.70 × 38,949,896,206.20
  4. Step 4: Simplify right side
    42,806,882,407.80x = 2,500,985,440,042,227,859,456
  5. Step 5: Solve for x
    x = 2,500,985,440,042,227,859,456/42,806,882,407.80
  6. Step 6: Final answer
    x = 58,424,844,309.30

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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.