Home / 1,092,496,356.40-1,638,946,621.59-345,700,151.47

Finding the Fourth Proportional to 1,092,496,356.40, 1,638,946,621.59 and 345,700,151.47

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Solution

The fourth proportional to 1,092,496,356.40, 1,638,946,621.59 and 345,700,151.47 is: 518,614,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,496,356.40 : 1,638,946,621.59 = 345,700,151.47 : x
  2. Step 2: Convert to fraction form
    1,092,496,356.40/1,638,946,621.59 = 345,700,151.47/x
  3. Step 3: Cross multiply
    1,092,496,356.40x = 1,638,946,621.59 × 345,700,151.47
  4. Step 4: Simplify right side
    1,092,496,356.40x = 566,584,095,326,712,960
  5. Step 5: Solve for x
    x = 566,584,095,326,712,960/1,092,496,356.40
  6. Step 6: Final answer
    x = 518,614,173.87

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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.