Home / 750,980,688.36-1,036,333,712.22-416,452,358.58

Finding the Fourth Proportional to 750,980,688.36, 1,036,333,712.22 and 416,452,358.58

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Solution

The fourth proportional to 750,980,688.36, 1,036,333,712.22 and 416,452,358.58 is: 574,693,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,980,688.36 : 1,036,333,712.22 = 416,452,358.58 : x
  2. Step 2: Convert to fraction form
    750,980,688.36/1,036,333,712.22 = 416,452,358.58/x
  3. Step 3: Cross multiply
    750,980,688.36x = 1,036,333,712.22 × 416,452,358.58
  4. Step 4: Simplify right side
    750,980,688.36x = 431,583,618,729,985,984
  5. Step 5: Solve for x
    x = 431,583,618,729,985,984/750,980,688.36
  6. Step 6: Final answer
    x = 574,693,364.85

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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.