Home / 731,181,205.55-1,009,030,063.66-417,922,145.58

Finding the Fourth Proportional to 731,181,205.55, 1,009,030,063.66 and 417,922,145.58

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Solution

The fourth proportional to 731,181,205.55, 1,009,030,063.66 and 417,922,145.58 is: 576,732,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,181,205.55 : 1,009,030,063.66 = 417,922,145.58 : x
  2. Step 2: Convert to fraction form
    731,181,205.55/1,009,030,063.66 = 417,922,145.58/x
  3. Step 3: Cross multiply
    731,181,205.55x = 1,009,030,063.66 × 417,922,145.58
  4. Step 4: Simplify right side
    731,181,205.55x = 421,696,009,157,345,728
  5. Step 5: Solve for x
    x = 421,696,009,157,345,728/731,181,205.55
  6. Step 6: Final answer
    x = 576,732,560.90

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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.