Home / 559,025,529.85-771,420,134.11-308,116,114.19

Finding the Fourth Proportional to 559,025,529.85, 771,420,134.11 and 308,116,114.19

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Solution

The fourth proportional to 559,025,529.85, 771,420,134.11 and 308,116,114.19 is: 425,180,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,025,529.85 : 771,420,134.11 = 308,116,114.19 : x
  2. Step 2: Convert to fraction form
    559,025,529.85/771,420,134.11 = 308,116,114.19/x
  3. Step 3: Cross multiply
    559,025,529.85x = 771,420,134.11 × 308,116,114.19
  4. Step 4: Simplify right side
    559,025,529.85x = 237,686,974,133,081,920
  5. Step 5: Solve for x
    x = 237,686,974,133,081,920/559,025,529.85
  6. Step 6: Final answer
    x = 425,180,893.25

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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.