Home / 685,317,121,055.49-945,746,196,941.64-376,702,174,509.22

Finding the Fourth Proportional to 685,317,121,055.49, 945,746,196,941.64 and 376,702,174,509.22

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Solution

The fourth proportional to 685,317,121,055.49, 945,746,196,941.64 and 376,702,174,509.22 is: 519,853,711,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,317,121,055.49 : 945,746,196,941.64 = 376,702,174,509.22 : x
  2. Step 2: Convert to fraction form
    685,317,121,055.49/945,746,196,941.64 = 376,702,174,509.22/x
  3. Step 3: Cross multiply
    685,317,121,055.49x = 945,746,196,941.64 × 376,702,174,509.22
  4. Step 4: Simplify right side
    685,317,121,055.49x = 356,264,648,921,740,782,600,192
  5. Step 5: Solve for x
    x = 356,264,648,921,740,782,600,192/685,317,121,055.49
  6. Step 6: Final answer
    x = 519,853,711,480.37

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Double scale
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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.