Home / 1,399,682,425.90-2,099,523,638.85-430,208,070.70

Finding the Fourth Proportional to 1,399,682,425.90, 2,099,523,638.85 and 430,208,070.70

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Solution

The fourth proportional to 1,399,682,425.90, 2,099,523,638.85 and 430,208,070.70 is: 645,312,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,682,425.90 : 2,099,523,638.85 = 430,208,070.70 : x
  2. Step 2: Convert to fraction form
    1,399,682,425.90/2,099,523,638.85 = 430,208,070.70/x
  3. Step 3: Cross multiply
    1,399,682,425.90x = 2,099,523,638.85 × 430,208,070.70
  4. Step 4: Simplify right side
    1,399,682,425.90x = 903,232,014,058,701,952
  5. Step 5: Solve for x
    x = 903,232,014,058,701,952/1,399,682,425.90
  6. Step 6: Final answer
    x = 645,312,106.05

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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.