Home / 1,569,896,621.36-2,166,359,706.60-865,009,156.40

Finding the Fourth Proportional to 1,569,896,621.36, 2,166,359,706.60 and 865,009,156.40

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Solution

The fourth proportional to 1,569,896,621.36, 2,166,359,706.60 and 865,009,156.40 is: 1,193,658,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,896,621.36 : 2,166,359,706.60 = 865,009,156.40 : x
  2. Step 2: Convert to fraction form
    1,569,896,621.36/2,166,359,706.60 = 865,009,156.40/x
  3. Step 3: Cross multiply
    1,569,896,621.36x = 2,166,359,706.60 × 865,009,156.40
  4. Step 4: Simplify right side
    1,569,896,621.36x = 1,873,920,982,265,017,344
  5. Step 5: Solve for x
    x = 1,873,920,982,265,017,344/1,569,896,621.36
  6. Step 6: Final answer
    x = 1,193,658,841.46

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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.