Home / 863,213,945.36-1,191,186,334.55-486,848,038.10

Finding the Fourth Proportional to 863,213,945.36, 1,191,186,334.55 and 486,848,038.10

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Solution

The fourth proportional to 863,213,945.36, 1,191,186,334.55 and 486,848,038.10 is: 671,822,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,213,945.36 : 1,191,186,334.55 = 486,848,038.10 : x
  2. Step 2: Convert to fraction form
    863,213,945.36/1,191,186,334.55 = 486,848,038.10/x
  3. Step 3: Cross multiply
    863,213,945.36x = 1,191,186,334.55 × 486,848,038.10
  4. Step 4: Simplify right side
    863,213,945.36x = 579,926,729,987,197,696
  5. Step 5: Solve for x
    x = 579,926,729,987,197,696/863,213,945.36
  6. Step 6: Final answer
    x = 671,822,707.57

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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.