Home / 21,919,761,088.83-30,249,270,293.81-11,895,255,935.96

Finding the Fourth Proportional to 21,919,761,088.83, 30,249,270,293.81 and 11,895,255,935.96

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Solution

The fourth proportional to 21,919,761,088.83, 30,249,270,293.81 and 11,895,255,935.96 is: 16,415,453,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919,761,088.83 : 30,249,270,293.81 = 11,895,255,935.96 : x
  2. Step 2: Convert to fraction form
    21,919,761,088.83/30,249,270,293.81 = 11,895,255,935.96/x
  3. Step 3: Cross multiply
    21,919,761,088.83x = 30,249,270,293.81 × 11,895,255,935.96
  4. Step 4: Simplify right side
    21,919,761,088.83x = 359,822,812,020,691,173,376
  5. Step 5: Solve for x
    x = 359,822,812,020,691,173,376/21,919,761,088.83
  6. Step 6: Final answer
    x = 16,415,453,186.85

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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.