Home / 28,124,583,465.76-38,844,137,136-18,522,238,117.12

Finding the Fourth Proportional to 28,124,583,465.76, 38,844,137,136 and 18,522,238,117.12

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Solution

The fourth proportional to 28,124,583,465.76, 38,844,137,136 and 18,522,238,117.12 is: 25,581,902,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,124,583,465.76 : 38,844,137,136 = 18,522,238,117.12 : x
  2. Step 2: Convert to fraction form
    28,124,583,465.76/38,844,137,136 = 18,522,238,117.12/x
  3. Step 3: Cross multiply
    28,124,583,465.76x = 38,844,137,136 × 18,522,238,117.12
  4. Step 4: Simplify right side
    28,124,583,465.76x = 719,480,357,487,055,732,736
  5. Step 5: Solve for x
    x = 719,480,357,487,055,732,736/28,124,583,465.76
  6. Step 6: Final answer
    x = 25,581,902,692.46

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Double scale
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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.