Home / 18,413,971,341.84-25,411,232,656.40-10,275,689,423.97

Finding the Fourth Proportional to 18,413,971,341.84, 25,411,232,656.40 and 10,275,689,423.97

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Solution

The fourth proportional to 18,413,971,341.84, 25,411,232,656.40 and 10,275,689,423.97 is: 14,180,424,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,971,341.84 : 25,411,232,656.40 = 10,275,689,423.97 : x
  2. Step 2: Convert to fraction form
    18,413,971,341.84/25,411,232,656.40 = 10,275,689,423.97/x
  3. Step 3: Cross multiply
    18,413,971,341.84x = 25,411,232,656.40 × 10,275,689,423.97
  4. Step 4: Simplify right side
    18,413,971,341.84x = 261,117,934,657,359,183,872
  5. Step 5: Solve for x
    x = 261,117,934,657,359,183,872/18,413,971,341.84
  6. Step 6: Final answer
    x = 14,180,424,733.48

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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.