Home / 677,997,339.37-1,017,045,333.90-284,128,810.34

Finding the Fourth Proportional to 677,997,339.37, 1,017,045,333.90 and 284,128,810.34

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Solution

The fourth proportional to 677,997,339.37, 1,017,045,333.90 and 284,128,810.34 is: 426,213,886.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,997,339.37 : 1,017,045,333.90 = 284,128,810.34 : x
  2. Step 2: Convert to fraction form
    677,997,339.37/1,017,045,333.90 = 284,128,810.34/x
  3. Step 3: Cross multiply
    677,997,339.37x = 1,017,045,333.90 × 284,128,810.34
  4. Step 4: Simplify right side
    677,997,339.37x = 288,971,880,777,769,792
  5. Step 5: Solve for x
    x = 288,971,880,777,769,792/677,997,339.37
  6. Step 6: Final answer
    x = 426,213,886.10

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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.