Home / 1,449,370,557.18-2,000,157,813.90-805,686,934.39

Finding the Fourth Proportional to 1,449,370,557.18, 2,000,157,813.90 and 805,686,934.39

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Solution

The fourth proportional to 1,449,370,557.18, 2,000,157,813.90 and 805,686,934.39 is: 1,111,862,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,370,557.18 : 2,000,157,813.90 = 805,686,934.39 : x
  2. Step 2: Convert to fraction form
    1,449,370,557.18/2,000,157,813.90 = 805,686,934.39/x
  3. Step 3: Cross multiply
    1,449,370,557.18x = 2,000,157,813.90 × 805,686,934.39
  4. Step 4: Simplify right side
    1,449,370,557.18x = 1,611,501,017,363,265,792
  5. Step 5: Solve for x
    x = 1,611,501,017,363,265,792/1,449,370,557.18
  6. Step 6: Final answer
    x = 1,111,862,669.89

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1.5x scale

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.