Home / 683,457,002.25-943,121,698.61-401,210,903.31

Finding the Fourth Proportional to 683,457,002.25, 943,121,698.61 and 401,210,903.31

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Solution

The fourth proportional to 683,457,002.25, 943,121,698.61 and 401,210,903.31 is: 553,642,302.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,457,002.25 : 943,121,698.61 = 401,210,903.31 : x
  2. Step 2: Convert to fraction form
    683,457,002.25/943,121,698.61 = 401,210,903.31/x
  3. Step 3: Cross multiply
    683,457,002.25x = 943,121,698.61 × 401,210,903.31
  4. Step 4: Simplify right side
    683,457,002.25x = 378,390,708,628,573,632
  5. Step 5: Solve for x
    x = 378,390,708,628,573,632/683,457,002.25
  6. Step 6: Final answer
    x = 553,642,302.86

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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.