Home / 1,661,645,361.69-2,293,125,292.82-908,941,312.02

Finding the Fourth Proportional to 1,661,645,361.69, 2,293,125,292.82 and 908,941,312.02

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Solution

The fourth proportional to 1,661,645,361.69, 2,293,125,292.82 and 908,941,312.02 is: 1,254,368,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,645,361.69 : 2,293,125,292.82 = 908,941,312.02 : x
  2. Step 2: Convert to fraction form
    1,661,645,361.69/2,293,125,292.82 = 908,941,312.02/x
  3. Step 3: Cross multiply
    1,661,645,361.69x = 2,293,125,292.82 × 908,941,312.02
  4. Step 4: Simplify right side
    1,661,645,361.69x = 2,084,316,312,282,057,472
  5. Step 5: Solve for x
    x = 2,084,316,312,282,057,472/1,661,645,361.69
  6. Step 6: Final answer
    x = 1,254,368,928.74

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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.