Home / 997,272,145.80-1,495,908,218.70-976,864,811.40

Finding the Fourth Proportional to 997,272,145.80, 1,495,908,218.70 and 976,864,811.40

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Solution

The fourth proportional to 997,272,145.80, 1,495,908,218.70 and 976,864,811.40 is: 1,465,297,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,272,145.80 : 1,495,908,218.70 = 976,864,811.40 : x
  2. Step 2: Convert to fraction form
    997,272,145.80/1,495,908,218.70 = 976,864,811.40/x
  3. Step 3: Cross multiply
    997,272,145.80x = 1,495,908,218.70 × 976,864,811.40
  4. Step 4: Simplify right side
    997,272,145.80x = 1,461,300,099,932,085,504
  5. Step 5: Solve for x
    x = 1,461,300,099,932,085,504/997,272,145.80
  6. Step 6: Final answer
    x = 1,465,297,217.10

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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.