Home / 523,664,545.86-785,688,353.74-243,678,993.32

Finding the Fourth Proportional to 523,664,545.86, 785,688,353.74 and 243,678,993.32

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Solution

The fourth proportional to 523,664,545.86, 785,688,353.74 and 243,678,993.32 is: 365,607,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,664,545.86 : 785,688,353.74 = 243,678,993.32 : x
  2. Step 2: Convert to fraction form
    523,664,545.86/785,688,353.74 = 243,678,993.32/x
  3. Step 3: Cross multiply
    523,664,545.86x = 785,688,353.74 × 243,678,993.32
  4. Step 4: Simplify right side
    523,664,545.86x = 191,455,747,102,611,264
  5. Step 5: Solve for x
    x = 191,455,747,102,611,264/523,664,545.86
  6. Step 6: Final answer
    x = 365,607,617.73

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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.