Home / 30,946,547,516.78-42,706,380,196.08-17,581,274,034.86

Finding the Fourth Proportional to 30,946,547,516.78, 42,706,380,196.08 and 17,581,274,034.86

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Solution

The fourth proportional to 30,946,547,516.78, 42,706,380,196.08 and 17,581,274,034.86 is: 24,262,240,330.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,946,547,516.78 : 42,706,380,196.08 = 17,581,274,034.86 : x
  2. Step 2: Convert to fraction form
    30,946,547,516.78/42,706,380,196.08 = 17,581,274,034.86/x
  3. Step 3: Cross multiply
    30,946,547,516.78x = 42,706,380,196.08 × 17,581,274,034.86
  4. Step 4: Simplify right side
    30,946,547,516.78x = 750,832,573,264,328,785,920
  5. Step 5: Solve for x
    x = 750,832,573,264,328,785,920/30,946,547,516.78
  6. Step 6: Final answer
    x = 24,262,240,330.92

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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.