Home / 716,480,655.35-1,075,130,524.79-388,982,796.30

Finding the Fourth Proportional to 716,480,655.35, 1,075,130,524.79 and 388,982,796.30

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Solution

The fourth proportional to 716,480,655.35, 1,075,130,524.79 and 388,982,796.30 is: 583,696,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,480,655.35 : 1,075,130,524.79 = 388,982,796.30 : x
  2. Step 2: Convert to fraction form
    716,480,655.35/1,075,130,524.79 = 388,982,796.30/x
  3. Step 3: Cross multiply
    716,480,655.35x = 1,075,130,524.79 × 388,982,796.30
  4. Step 4: Simplify right side
    716,480,655.35x = 418,207,277,918,355,776
  5. Step 5: Solve for x
    x = 418,207,277,918,355,776/716,480,655.35
  6. Step 6: Final answer
    x = 583,696,537.79

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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.