Home / 517,748,075.82-714,487,611.78-282,798,665.82

Finding the Fourth Proportional to 517,748,075.82, 714,487,611.78 and 282,798,665.82

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Solution

The fourth proportional to 517,748,075.82, 714,487,611.78 and 282,798,665.82 is: 390,259,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,748,075.82 : 714,487,611.78 = 282,798,665.82 : x
  2. Step 2: Convert to fraction form
    517,748,075.82/714,487,611.78 = 282,798,665.82/x
  3. Step 3: Cross multiply
    517,748,075.82x = 714,487,611.78 × 282,798,665.82
  4. Step 4: Simplify right side
    517,748,075.82x = 202,056,143,356,302,112
  5. Step 5: Solve for x
    x = 202,056,143,356,302,112/517,748,075.82
  6. Step 6: Final answer
    x = 390,259,573.71

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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.