Home / 529,710,336.18-730,586,142.81-344,131,145.46

Finding the Fourth Proportional to 529,710,336.18, 730,586,142.81 and 344,131,145.46

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Solution

The fourth proportional to 529,710,336.18, 730,586,142.81 and 344,131,145.46 is: 474,631,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,710,336.18 : 730,586,142.81 = 344,131,145.46 : x
  2. Step 2: Convert to fraction form
    529,710,336.18/730,586,142.81 = 344,131,145.46/x
  3. Step 3: Cross multiply
    529,710,336.18x = 730,586,142.81 × 344,131,145.46
  4. Step 4: Simplify right side
    529,710,336.18x = 251,417,446,182,408,416
  5. Step 5: Solve for x
    x = 251,417,446,182,408,416/529,710,336.18
  6. Step 6: Final answer
    x = 474,631,943.18

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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.