Home / 854,936,493.88-1,179,712,828.56-478,613,688.52

Finding the Fourth Proportional to 854,936,493.88, 1,179,712,828.56 and 478,613,688.52

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Solution

The fourth proportional to 854,936,493.88, 1,179,712,828.56 and 478,613,688.52 is: 660,431,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,936,493.88 : 1,179,712,828.56 = 478,613,688.52 : x
  2. Step 2: Convert to fraction form
    854,936,493.88/1,179,712,828.56 = 478,613,688.52/x
  3. Step 3: Cross multiply
    854,936,493.88x = 1,179,712,828.56 × 478,613,688.52
  4. Step 4: Simplify right side
    854,936,493.88x = 564,626,708,271,463,936
  5. Step 5: Solve for x
    x = 564,626,708,271,463,936/854,936,493.88
  6. Step 6: Final answer
    x = 660,431,169.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.