Home / 616,038,945,197.49-849,151,468,168.98-485,615,108,802.18

Finding the Fourth Proportional to 616,038,945,197.49, 849,151,468,168.98 and 485,615,108,802.18

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Solution

The fourth proportional to 616,038,945,197.49, 849,151,468,168.98 and 485,615,108,802.18 is: 669,374,535,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,038,945,197.49 : 849,151,468,168.98 = 485,615,108,802.18 : x
  2. Step 2: Convert to fraction form
    616,038,945,197.49/849,151,468,168.98 = 485,615,108,802.18/x
  3. Step 3: Cross multiply
    616,038,945,197.49x = 849,151,468,168.98 × 485,615,108,802.18
  4. Step 4: Simplify right side
    616,038,945,197.49x = 412,360,782,604,410,069,975,040
  5. Step 5: Solve for x
    x = 412,360,782,604,410,069,975,040/616,038,945,197.49
  6. Step 6: Final answer
    x = 669,374,535,196.34

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Double scale
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1.5x scale

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.