Home / 459,783,114.96-689,075,842.68-186,834,784.08

Finding the Fourth Proportional to 459,783,114.96, 689,075,842.68 and 186,834,784.08

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Solution

The fourth proportional to 459,783,114.96, 689,075,842.68 and 186,834,784.08 is: 280,008,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,783,114.96 : 689,075,842.68 = 186,834,784.08 : x
  2. Step 2: Convert to fraction form
    459,783,114.96/689,075,842.68 = 186,834,784.08/x
  3. Step 3: Cross multiply
    459,783,114.96x = 689,075,842.68 × 186,834,784.08
  4. Step 4: Simplify right side
    459,783,114.96x = 128,743,336,281,861,840
  5. Step 5: Solve for x
    x = 128,743,336,281,861,840/459,783,114.96
  6. Step 6: Final answer
    x = 280,008,839.15

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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.