Home / 789,798,754.80-1,184,698,132.20-381,652,066.80

Finding the Fourth Proportional to 789,798,754.80, 1,184,698,132.20 and 381,652,066.80

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Solution

The fourth proportional to 789,798,754.80, 1,184,698,132.20 and 381,652,066.80 is: 572,478,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,798,754.80 : 1,184,698,132.20 = 381,652,066.80 : x
  2. Step 2: Convert to fraction form
    789,798,754.80/1,184,698,132.20 = 381,652,066.80/x
  3. Step 3: Cross multiply
    789,798,754.80x = 1,184,698,132.20 × 381,652,066.80
  4. Step 4: Simplify right side
    789,798,754.80x = 452,142,490,688,229,632
  5. Step 5: Solve for x
    x = 452,142,490,688,229,632/789,798,754.80
  6. Step 6: Final answer
    x = 572,478,100.20

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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.