Home / 3,139,747,256.80-4,709,620,885.20-958,709,893.60

Finding the Fourth Proportional to 3,139,747,256.80, 4,709,620,885.20 and 958,709,893.60

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Solution

The fourth proportional to 3,139,747,256.80, 4,709,620,885.20 and 958,709,893.60 is: 1,438,064,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,747,256.80 : 4,709,620,885.20 = 958,709,893.60 : x
  2. Step 2: Convert to fraction form
    3,139,747,256.80/4,709,620,885.20 = 958,709,893.60/x
  3. Step 3: Cross multiply
    3,139,747,256.80x = 4,709,620,885.20 × 958,709,893.60
  4. Step 4: Simplify right side
    3,139,747,256.80x = 4,515,160,137,746,429,952
  5. Step 5: Solve for x
    x = 4,515,160,137,746,429,952/3,139,747,256.80
  6. Step 6: Final answer
    x = 1,438,064,840.40

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1.5x scale

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.