Home / 419,908,020.40-629,862,030.60-177,570,924.40

Finding the Fourth Proportional to 419,908,020.40, 629,862,030.60 and 177,570,924.40

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Solution

The fourth proportional to 419,908,020.40, 629,862,030.60 and 177,570,924.40 is: 266,356,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,908,020.40 : 629,862,030.60 = 177,570,924.40 : x
  2. Step 2: Convert to fraction form
    419,908,020.40/629,862,030.60 = 177,570,924.40/x
  3. Step 3: Cross multiply
    419,908,020.40x = 629,862,030.60 × 177,570,924.40
  4. Step 4: Simplify right side
    419,908,020.40x = 111,845,183,018,103,088
  5. Step 5: Solve for x
    x = 111,845,183,018,103,088/419,908,020.40
  6. Step 6: Final answer
    x = 266,356,386.60

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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.