Home / 529,060,528.83-729,026,802.75-409,255,285.53

Finding the Fourth Proportional to 529,060,528.83, 729,026,802.75 and 409,255,285.53

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Solution

The fourth proportional to 529,060,528.83, 729,026,802.75 and 409,255,285.53 is: 563,939,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,060,528.83 : 729,026,802.75 = 409,255,285.53 : x
  2. Step 2: Convert to fraction form
    529,060,528.83/729,026,802.75 = 409,255,285.53/x
  3. Step 3: Cross multiply
    529,060,528.83x = 729,026,802.75 × 409,255,285.53
  4. Step 4: Simplify right side
    529,060,528.83x = 298,358,072,318,474,240
  5. Step 5: Solve for x
    x = 298,358,072,318,474,240/529,060,528.83
  6. Step 6: Final answer
    x = 563,939,390.79

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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.