Home / 719,676,863.17-993,220,643.03-437,354,146.33

Finding the Fourth Proportional to 719,676,863.17, 993,220,643.03 and 437,354,146.33

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Solution

The fourth proportional to 719,676,863.17, 993,220,643.03 and 437,354,146.33 is: 603,589,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,676,863.17 : 993,220,643.03 = 437,354,146.33 : x
  2. Step 2: Convert to fraction form
    719,676,863.17/993,220,643.03 = 437,354,146.33/x
  3. Step 3: Cross multiply
    719,676,863.17x = 993,220,643.03 × 437,354,146.33
  4. Step 4: Simplify right side
    719,676,863.17x = 434,389,166,445,049,472
  5. Step 5: Solve for x
    x = 434,389,166,445,049,472/719,676,863.17
  6. Step 6: Final answer
    x = 603,589,178.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.