Home / 926,834,047.10-1,277,813,908.59-668,829,160.58

Finding the Fourth Proportional to 926,834,047.10, 1,277,813,908.59 and 668,829,160.58

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Solution

The fourth proportional to 926,834,047.10, 1,277,813,908.59 and 668,829,160.58 is: 922,105,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,834,047.10 : 1,277,813,908.59 = 668,829,160.58 : x
  2. Step 2: Convert to fraction form
    926,834,047.10/1,277,813,908.59 = 668,829,160.58/x
  3. Step 3: Cross multiply
    926,834,047.10x = 1,277,813,908.59 × 668,829,160.58
  4. Step 4: Simplify right side
    926,834,047.10x = 854,639,203,859,698,560
  5. Step 5: Solve for x
    x = 854,639,203,859,698,560/926,834,047.10
  6. Step 6: Final answer
    x = 922,105,965.50

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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.