Home / 689,221,725.44-951,132,051.34-375,957,332.60

Finding the Fourth Proportional to 689,221,725.44, 951,132,051.34 and 375,957,332.60

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Solution

The fourth proportional to 689,221,725.44, 951,132,051.34 and 375,957,332.60 is: 518,824,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,221,725.44 : 951,132,051.34 = 375,957,332.60 : x
  2. Step 2: Convert to fraction form
    689,221,725.44/951,132,051.34 = 375,957,332.60/x
  3. Step 3: Cross multiply
    689,221,725.44x = 951,132,051.34 × 375,957,332.60
  4. Step 4: Simplify right side
    689,221,725.44x = 357,585,068,966,457,152
  5. Step 5: Solve for x
    x = 357,585,068,966,457,152/689,221,725.44
  6. Step 6: Final answer
    x = 518,824,430.18

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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.