Home / 926,834,046.10-1,277,813,907.21-668,829,159.58

Finding the Fourth Proportional to 926,834,046.10, 1,277,813,907.21 and 668,829,159.58

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Solution

The fourth proportional to 926,834,046.10, 1,277,813,907.21 and 668,829,159.58 is: 922,105,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,834,046.10 : 1,277,813,907.21 = 668,829,159.58 : x
  2. Step 2: Convert to fraction form
    926,834,046.10/1,277,813,907.21 = 668,829,159.58/x
  3. Step 3: Cross multiply
    926,834,046.10x = 1,277,813,907.21 × 668,829,159.58
  4. Step 4: Simplify right side
    926,834,046.10x = 854,639,201,658,900,480
  5. Step 5: Solve for x
    x = 854,639,201,658,900,480/926,834,046.10
  6. Step 6: Final answer
    x = 922,105,964.12

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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.