Home / 830,200,143.57-1,145,689,816.77-495,701,893.14

Finding the Fourth Proportional to 830,200,143.57, 1,145,689,816.77 and 495,701,893.14

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Solution

The fourth proportional to 830,200,143.57, 1,145,689,816.77 and 495,701,893.14 is: 684,076,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,200,143.57 : 1,145,689,816.77 = 495,701,893.14 : x
  2. Step 2: Convert to fraction form
    830,200,143.57/1,145,689,816.77 = 495,701,893.14/x
  3. Step 3: Cross multiply
    830,200,143.57x = 1,145,689,816.77 × 495,701,893.14
  4. Step 4: Simplify right side
    830,200,143.57x = 567,920,611,124,108,672
  5. Step 5: Solve for x
    x = 567,920,611,124,108,672/830,200,143.57
  6. Step 6: Final answer
    x = 684,076,744.05

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1.5x scale

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.