Home / 630,474,095.20-945,711,164.66-459,041,857.42

Finding the Fourth Proportional to 630,474,095.20, 945,711,164.66 and 459,041,857.42

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Solution

The fourth proportional to 630,474,095.20, 945,711,164.66 and 459,041,857.42 is: 688,562,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,474,095.20 : 945,711,164.66 = 459,041,857.42 : x
  2. Step 2: Convert to fraction form
    630,474,095.20/945,711,164.66 = 459,041,857.42/x
  3. Step 3: Cross multiply
    630,474,095.20x = 945,711,164.66 × 459,041,857.42
  4. Step 4: Simplify right side
    630,474,095.20x = 434,121,009,608,357,888
  5. Step 5: Solve for x
    x = 434,121,009,608,357,888/630,474,095.20
  6. Step 6: Final answer
    x = 688,562,802.05

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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.