Home / 207,409,881,606.68-286,313,767,984.38-129,233,602,222.13

Finding the Fourth Proportional to 207,409,881,606.68, 286,313,767,984.38 and 129,233,602,222.13

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Solution

The fourth proportional to 207,409,881,606.68, 286,313,767,984.38 and 129,233,602,222.13 is: 178,397,284,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,409,881,606.68 : 286,313,767,984.38 = 129,233,602,222.13 : x
  2. Step 2: Convert to fraction form
    207,409,881,606.68/286,313,767,984.38 = 129,233,602,222.13/x
  3. Step 3: Cross multiply
    207,409,881,606.68x = 286,313,767,984.38 × 129,233,602,222.13
  4. Step 4: Simplify right side
    207,409,881,606.68x = 37,001,359,602,412,584,697,856
  5. Step 5: Solve for x
    x = 37,001,359,602,412,584,697,856/207,409,881,606.68
  6. Step 6: Final answer
    x = 178,397,284,236.34

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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.