Home / 387,845,926,537.12-535,597,028,956.56-366,716,323,526.56

Finding the Fourth Proportional to 387,845,926,537.12, 535,597,028,956.56 and 366,716,323,526.56

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Solution

The fourth proportional to 387,845,926,537.12, 535,597,028,956.56 and 366,716,323,526.56 is: 506,418,038,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,845,926,537.12 : 535,597,028,956.56 = 366,716,323,526.56 : x
  2. Step 2: Convert to fraction form
    387,845,926,537.12/535,597,028,956.56 = 366,716,323,526.56/x
  3. Step 3: Cross multiply
    387,845,926,537.12x = 535,597,028,956.56 × 366,716,323,526.56
  4. Step 4: Simplify right side
    387,845,926,537.12x = 196,412,173,350,698,179,624,960
  5. Step 5: Solve for x
    x = 196,412,173,350,698,179,624,960/387,845,926,537.12
  6. Step 6: Final answer
    x = 506,418,038,483.38

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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.