Home / 315,461,677.16-472,769,543.66-245,516,365.96

Finding the Fourth Proportional to 315,461,677.16, 472,769,543.66 and 245,516,365.96

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Solution

The fourth proportional to 315,461,677.16, 472,769,543.66 and 245,516,365.96 is: 367,945,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,461,677.16 : 472,769,543.66 = 245,516,365.96 : x
  2. Step 2: Convert to fraction form
    315,461,677.16/472,769,543.66 = 245,516,365.96/x
  3. Step 3: Cross multiply
    315,461,677.16x = 472,769,543.66 × 245,516,365.96
  4. Step 4: Simplify right side
    315,461,677.16x = 116,072,660,295,970,768
  5. Step 5: Solve for x
    x = 116,072,660,295,970,768/315,461,677.16
  6. Step 6: Final answer
    x = 367,945,359.77

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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.