Home / 943,280,127.80-1,415,182,683.12-411,538,079.96

Finding the Fourth Proportional to 943,280,127.80, 1,415,182,683.12 and 411,538,079.96

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Solution

The fourth proportional to 943,280,127.80, 1,415,182,683.12 and 411,538,079.96 is: 617,421,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,280,127.80 : 1,415,182,683.12 = 411,538,079.96 : x
  2. Step 2: Convert to fraction form
    943,280,127.80/1,415,182,683.12 = 411,538,079.96/x
  3. Step 3: Cross multiply
    943,280,127.80x = 1,415,182,683.12 × 411,538,079.96
  4. Step 4: Simplify right side
    943,280,127.80x = 582,401,564,203,845,888
  5. Step 5: Solve for x
    x = 582,401,564,203,845,888/943,280,127.80
  6. Step 6: Final answer
    x = 617,421,640.76

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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.