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Finding the Fourth Proportional to 995,333,145.60, 1,492,999,718.40 and 922,773,734.40

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Solution

The fourth proportional to 995,333,145.60, 1,492,999,718.40 and 922,773,734.40 is: 1,384,160,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,333,145.60 : 1,492,999,718.40 = 922,773,734.40 : x
  2. Step 2: Convert to fraction form
    995,333,145.60/1,492,999,718.40 = 922,773,734.40/x
  3. Step 3: Cross multiply
    995,333,145.60x = 1,492,999,718.40 × 922,773,734.40
  4. Step 4: Simplify right side
    995,333,145.60x = 1,377,700,925,606,116,352
  5. Step 5: Solve for x
    x = 1,377,700,925,606,116,352/995,333,145.60
  6. Step 6: Final answer
    x = 1,384,160,601.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.