Home / 891,492,794.12-1,230,253,636.02-495,013,838.60

Finding the Fourth Proportional to 891,492,794.12, 1,230,253,636.02 and 495,013,838.60

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Solution

The fourth proportional to 891,492,794.12, 1,230,253,636.02 and 495,013,838.60 is: 683,115,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,492,794.12 : 1,230,253,636.02 = 495,013,838.60 : x
  2. Step 2: Convert to fraction form
    891,492,794.12/1,230,253,636.02 = 495,013,838.60/x
  3. Step 3: Cross multiply
    891,492,794.12x = 1,230,253,636.02 × 495,013,838.60
  4. Step 4: Simplify right side
    891,492,794.12x = 608,992,574,817,867,392
  5. Step 5: Solve for x
    x = 608,992,574,817,867,392/891,492,794.12
  6. Step 6: Final answer
    x = 683,115,532.55

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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.