Home / 579,355,802.66-799,526,160.43-315,053,253.74

Finding the Fourth Proportional to 579,355,802.66, 799,526,160.43 and 315,053,253.74

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Solution

The fourth proportional to 579,355,802.66, 799,526,160.43 and 315,053,253.74 is: 434,781,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,355,802.66 : 799,526,160.43 = 315,053,253.74 : x
  2. Step 2: Convert to fraction form
    579,355,802.66/799,526,160.43 = 315,053,253.74/x
  3. Step 3: Cross multiply
    579,355,802.66x = 799,526,160.43 × 315,053,253.74
  4. Step 4: Simplify right side
    579,355,802.66x = 251,893,318,293,720,736
  5. Step 5: Solve for x
    x = 251,893,318,293,720,736/579,355,802.66
  6. Step 6: Final answer
    x = 434,781,730.22

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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.