Home / 3,360,834,117.43-4,640,044,191.78-2,139,415,410.95

Finding the Fourth Proportional to 3,360,834,117.43, 4,640,044,191.78 and 2,139,415,410.95

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Solution

The fourth proportional to 3,360,834,117.43, 4,640,044,191.78 and 2,139,415,410.95 is: 2,953,725,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360,834,117.43 : 4,640,044,191.78 = 2,139,415,410.95 : x
  2. Step 2: Convert to fraction form
    3,360,834,117.43/4,640,044,191.78 = 2,139,415,410.95/x
  3. Step 3: Cross multiply
    3,360,834,117.43x = 4,640,044,191.78 × 2,139,415,410.95
  4. Step 4: Simplify right side
    3,360,834,117.43x = 9,926,982,051,362,109,440
  5. Step 5: Solve for x
    x = 9,926,982,051,362,109,440/3,360,834,117.43
  6. Step 6: Final answer
    x = 2,953,725,683.71

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Double scale
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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.