Home / 830,200,181.07-1,145,689,868.52-495,701,930.64

Finding the Fourth Proportional to 830,200,181.07, 1,145,689,868.52 and 495,701,930.64

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Solution

The fourth proportional to 830,200,181.07, 1,145,689,868.52 and 495,701,930.64 is: 684,076,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,200,181.07 : 1,145,689,868.52 = 495,701,930.64 : x
  2. Step 2: Convert to fraction form
    830,200,181.07/1,145,689,868.52 = 495,701,930.64/x
  3. Step 3: Cross multiply
    830,200,181.07x = 1,145,689,868.52 × 495,701,930.64
  4. Step 4: Simplify right side
    830,200,181.07x = 567,920,679,740,051,712
  5. Step 5: Solve for x
    x = 567,920,679,740,051,712/830,200,181.07
  6. Step 6: Final answer
    x = 684,076,795.80

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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.