Home / 756,478,410.36-1,133,650,952.60-357,210,965.04

Finding the Fourth Proportional to 756,478,410.36, 1,133,650,952.60 and 357,210,965.04

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Solution

The fourth proportional to 756,478,410.36, 1,133,650,952.60 and 357,210,965.04 is: 535,312,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,478,410.36 : 1,133,650,952.60 = 357,210,965.04 : x
  2. Step 2: Convert to fraction form
    756,478,410.36/1,133,650,952.60 = 357,210,965.04/x
  3. Step 3: Cross multiply
    756,478,410.36x = 1,133,650,952.60 × 357,210,965.04
  4. Step 4: Simplify right side
    756,478,410.36x = 404,952,550,796,761,280
  5. Step 5: Solve for x
    x = 404,952,550,796,761,280/756,478,410.36
  6. Step 6: Final answer
    x = 535,312,766.70

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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.