Home / 519,455,709.55-716,849,577.89-281,301,309.37

Finding the Fourth Proportional to 519,455,709.55, 716,849,577.89 and 281,301,309.37

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Solution

The fourth proportional to 519,455,709.55, 716,849,577.89 and 281,301,309.37 is: 388,196,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,455,709.55 : 716,849,577.89 = 281,301,309.37 : x
  2. Step 2: Convert to fraction form
    519,455,709.55/716,849,577.89 = 281,301,309.37/x
  3. Step 3: Cross multiply
    519,455,709.55x = 716,849,577.89 × 281,301,309.37
  4. Step 4: Simplify right side
    519,455,709.55x = 201,650,724,881,788,800
  5. Step 5: Solve for x
    x = 201,650,724,881,788,800/519,455,709.55
  6. Step 6: Final answer
    x = 388,196,185.30

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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.