Home / 1,181,079,839.48-1,771,620,381.30-307,678,897.40

Finding the Fourth Proportional to 1,181,079,839.48, 1,771,620,381.30 and 307,678,897.40

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Solution

The fourth proportional to 1,181,079,839.48, 1,771,620,381.30 and 307,678,897.40 is: 461,518,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,079,839.48 : 1,771,620,381.30 = 307,678,897.40 : x
  2. Step 2: Convert to fraction form
    1,181,079,839.48/1,771,620,381.30 = 307,678,897.40/x
  3. Step 3: Cross multiply
    1,181,079,839.48x = 1,771,620,381.30 × 307,678,897.40
  4. Step 4: Simplify right side
    1,181,079,839.48x = 545,090,205,529,751,552
  5. Step 5: Solve for x
    x = 545,090,205,529,751,552/1,181,079,839.48
  6. Step 6: Final answer
    x = 461,518,508.16

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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.