Home / 1,398,930,003.60-2,099,664,048.60-709,316,998.80

Finding the Fourth Proportional to 1,398,930,003.60, 2,099,664,048.60 and 709,316,998.80

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Solution

The fourth proportional to 1,398,930,003.60, 2,099,664,048.60 and 709,316,998.80 is: 1,064,618,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,930,003.60 : 2,099,664,048.60 = 709,316,998.80 : x
  2. Step 2: Convert to fraction form
    1,398,930,003.60/2,099,664,048.60 = 709,316,998.80/x
  3. Step 3: Cross multiply
    1,398,930,003.60x = 2,099,664,048.60 × 709,316,998.80
  4. Step 4: Simplify right side
    1,398,930,003.60x = 1,489,327,401,441,209,088
  5. Step 5: Solve for x
    x = 1,489,327,401,441,209,088/1,398,930,003.60
  6. Step 6: Final answer
    x = 1,064,618,957.07

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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.