Home / 477,821,502,595.05-716,845,293,012.45-155,123,692,357.95

Finding the Fourth Proportional to 477,821,502,595.05, 716,845,293,012.45 and 155,123,692,357.95

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Solution

The fourth proportional to 477,821,502,595.05, 716,845,293,012.45 and 155,123,692,357.95 is: 232,722,236,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,821,502,595.05 : 716,845,293,012.45 = 155,123,692,357.95 : x
  2. Step 2: Convert to fraction form
    477,821,502,595.05/716,845,293,012.45 = 155,123,692,357.95/x
  3. Step 3: Cross multiply
    477,821,502,595.05x = 716,845,293,012.45 × 155,123,692,357.95
  4. Step 4: Simplify right side
    477,821,502,595.05x = 111,199,688,701,507,820,060,672
  5. Step 5: Solve for x
    x = 111,199,688,701,507,820,060,672/477,821,502,595.05
  6. Step 6: Final answer
    x = 232,722,236,436.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.