Home / 719,050,887.59-1,078,887,053.12-386,669,407.50

Finding the Fourth Proportional to 719,050,887.59, 1,078,887,053.12 and 386,669,407.50

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Solution

The fourth proportional to 719,050,887.59, 1,078,887,053.12 and 386,669,407.50 is: 580,171,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,050,887.59 : 1,078,887,053.12 = 386,669,407.50 : x
  2. Step 2: Convert to fraction form
    719,050,887.59/1,078,887,053.12 = 386,669,407.50/x
  3. Step 3: Cross multiply
    719,050,887.59x = 1,078,887,053.12 × 386,669,407.50
  4. Step 4: Simplify right side
    719,050,887.59x = 417,172,617,587,398,080
  5. Step 5: Solve for x
    x = 417,172,617,587,398,080/719,050,887.59
  6. Step 6: Final answer
    x = 580,171,201.77

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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.