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Finding the Fourth Proportional to 590,490,653.80, 885,735,980.70 and 202,184,429.80

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Solution

The fourth proportional to 590,490,653.80, 885,735,980.70 and 202,184,429.80 is: 303,276,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,490,653.80 : 885,735,980.70 = 202,184,429.80 : x
  2. Step 2: Convert to fraction form
    590,490,653.80/885,735,980.70 = 202,184,429.80/x
  3. Step 3: Cross multiply
    590,490,653.80x = 885,735,980.70 × 202,184,429.80
  4. Step 4: Simplify right side
    590,490,653.80x = 179,082,024,211,173,312
  5. Step 5: Solve for x
    x = 179,082,024,211,173,312/590,490,653.80
  6. Step 6: Final answer
    x = 303,276,644.70

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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.