Home / 1,195,709,064.16-1,794,081,390.36-642,365,871.52

Finding the Fourth Proportional to 1,195,709,064.16, 1,794,081,390.36 and 642,365,871.52

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Solution

The fourth proportional to 1,195,709,064.16, 1,794,081,390.36 and 642,365,871.52 is: 963,826,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,709,064.16 : 1,794,081,390.36 = 642,365,871.52 : x
  2. Step 2: Convert to fraction form
    1,195,709,064.16/1,794,081,390.36 = 642,365,871.52/x
  3. Step 3: Cross multiply
    1,195,709,064.16x = 1,794,081,390.36 × 642,365,871.52
  4. Step 4: Simplify right side
    1,195,709,064.16x = 1,152,456,655,896,414,592
  5. Step 5: Solve for x
    x = 1,152,456,655,896,414,592/1,195,709,064.16
  6. Step 6: Final answer
    x = 963,826,979.69

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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.