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Finding the Fourth Proportional to 1,696,866,312.15, 2,341,401,818.90 and 954,266,088.15

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Solution

The fourth proportional to 1,696,866,312.15, 2,341,401,818.90 and 954,266,088.15 is: 1,316,733,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,866,312.15 : 2,341,401,818.90 = 954,266,088.15 : x
  2. Step 2: Convert to fraction form
    1,696,866,312.15/2,341,401,818.90 = 954,266,088.15/x
  3. Step 3: Cross multiply
    1,696,866,312.15x = 2,341,401,818.90 × 954,266,088.15
  4. Step 4: Simplify right side
    1,696,866,312.15x = 2,234,320,354,504,226,304
  5. Step 5: Solve for x
    x = 2,234,320,354,504,226,304/1,696,866,312.15
  6. Step 6: Final answer
    x = 1,316,733,285.65

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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.