Home / 1,992,095,167.80-2,988,142,751.70-611,907,461.40

Finding the Fourth Proportional to 1,992,095,167.80, 2,988,142,751.70 and 611,907,461.40

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Solution

The fourth proportional to 1,992,095,167.80, 2,988,142,751.70 and 611,907,461.40 is: 917,861,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,095,167.80 : 2,988,142,751.70 = 611,907,461.40 : x
  2. Step 2: Convert to fraction form
    1,992,095,167.80/2,988,142,751.70 = 611,907,461.40/x
  3. Step 3: Cross multiply
    1,992,095,167.80x = 2,988,142,751.70 × 611,907,461.40
  4. Step 4: Simplify right side
    1,992,095,167.80x = 1,828,466,845,493,557,248
  5. Step 5: Solve for x
    x = 1,828,466,845,493,557,248/1,992,095,167.80
  6. Step 6: Final answer
    x = 917,861,192.10

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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.