Home / 1,721,872,500,304.80-2,376,256,239,429.60-990,261,478,158.30

Finding the Fourth Proportional to 1,721,872,500,304.80, 2,376,256,239,429.60 and 990,261,478,158.30

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Solution

The fourth proportional to 1,721,872,500,304.80, 2,376,256,239,429.60 and 990,261,478,158.30 is: 1,366,602,356,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,872,500,304.80 : 2,376,256,239,429.60 = 990,261,478,158.30 : x
  2. Step 2: Convert to fraction form
    1,721,872,500,304.80/2,376,256,239,429.60 = 990,261,478,158.30/x
  3. Step 3: Cross multiply
    1,721,872,500,304.80x = 2,376,256,239,429.60 × 990,261,478,158.30
  4. Step 4: Simplify right side
    1,721,872,500,304.80x = 2,353,115,016,140,439,072,800,768
  5. Step 5: Solve for x
    x = 2,353,115,016,140,439,072,800,768/1,721,872,500,304.80
  6. Step 6: Final answer
    x = 1,366,602,356,285.90

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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.