Home / 1,399,691,925.80-2,099,537,888.70-880,438,639.40

Finding the Fourth Proportional to 1,399,691,925.80, 2,099,537,888.70 and 880,438,639.40

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Solution

The fourth proportional to 1,399,691,925.80, 2,099,537,888.70 and 880,438,639.40 is: 1,320,657,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,691,925.80 : 2,099,537,888.70 = 880,438,639.40 : x
  2. Step 2: Convert to fraction form
    1,399,691,925.80/2,099,537,888.70 = 880,438,639.40/x
  3. Step 3: Cross multiply
    1,399,691,925.80x = 2,099,537,888.70 × 880,438,639.40
  4. Step 4: Simplify right side
    1,399,691,925.80x = 1,848,514,282,095,776,512
  5. Step 5: Solve for x
    x = 1,848,514,282,095,776,512/1,399,691,925.80
  6. Step 6: Final answer
    x = 1,320,657,959.10

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1.5x scale

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.