Home / 18,413,971,330.59-25,411,232,640.84-10,275,689,412.72

Finding the Fourth Proportional to 18,413,971,330.59, 25,411,232,640.84 and 10,275,689,412.72

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Solution

The fourth proportional to 18,413,971,330.59, 25,411,232,640.84 and 10,275,689,412.72 is: 14,180,424,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,971,330.59 : 25,411,232,640.84 = 10,275,689,412.72 : x
  2. Step 2: Convert to fraction form
    18,413,971,330.59/25,411,232,640.84 = 10,275,689,412.72/x
  3. Step 3: Cross multiply
    18,413,971,330.59x = 25,411,232,640.84 × 10,275,689,412.72
  4. Step 4: Simplify right side
    18,413,971,330.59x = 261,117,934,211,685,580,800
  5. Step 5: Solve for x
    x = 261,117,934,211,685,580,800/18,413,971,330.59
  6. Step 6: Final answer
    x = 14,180,424,717.94

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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.