Home / 21,527,775,881.60-32,291,663,822.40-15,723,022,985.60

Finding the Fourth Proportional to 21,527,775,881.60, 32,291,663,822.40 and 15,723,022,985.60

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Solution

The fourth proportional to 21,527,775,881.60, 32,291,663,822.40 and 15,723,022,985.60 is: 23,584,534,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527,775,881.60 : 32,291,663,822.40 = 15,723,022,985.60 : x
  2. Step 2: Convert to fraction form
    21,527,775,881.60/32,291,663,822.40 = 15,723,022,985.60/x
  3. Step 3: Cross multiply
    21,527,775,881.60x = 32,291,663,822.40 × 15,723,022,985.60
  4. Step 4: Simplify right side
    21,527,775,881.60x = 507,722,572,522,863,198,208
  5. Step 5: Solve for x
    x = 507,722,572,522,863,198,208/21,527,775,881.60
  6. Step 6: Final answer
    x = 23,584,534,478.40

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Double scale
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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.