Home / 731,181,220.70-1,009,030,084.59-417,922,160.80

Finding the Fourth Proportional to 731,181,220.70, 1,009,030,084.59 and 417,922,160.80

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Solution

The fourth proportional to 731,181,220.70, 1,009,030,084.59 and 417,922,160.80 is: 576,732,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,181,220.70 : 1,009,030,084.59 = 417,922,160.80 : x
  2. Step 2: Convert to fraction form
    731,181,220.70/1,009,030,084.59 = 417,922,160.80/x
  3. Step 3: Cross multiply
    731,181,220.70x = 1,009,030,084.59 × 417,922,160.80
  4. Step 4: Simplify right side
    731,181,220.70x = 421,696,033,262,629,824
  5. Step 5: Solve for x
    x = 421,696,033,262,629,824/731,181,220.70
  6. Step 6: Final answer
    x = 576,732,581.92

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1.5x scale

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.