Home / 286,458,946.80-429,688,420.20-92,376,693.60

Finding the Fourth Proportional to 286,458,946.80, 429,688,420.20 and 92,376,693.60

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Solution

The fourth proportional to 286,458,946.80, 429,688,420.20 and 92,376,693.60 is: 138,565,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,458,946.80 : 429,688,420.20 = 92,376,693.60 : x
  2. Step 2: Convert to fraction form
    286,458,946.80/429,688,420.20 = 92,376,693.60/x
  3. Step 3: Cross multiply
    286,458,946.80x = 429,688,420.20 × 92,376,693.60
  4. Step 4: Simplify right side
    286,458,946.80x = 39,693,195,536,283,448
  5. Step 5: Solve for x
    x = 39,693,195,536,283,448/286,458,946.80
  6. Step 6: Final answer
    x = 138,565,040.40

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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.