Home / 459,176,345.10-688,764,517.65-186,742,629.90

Finding the Fourth Proportional to 459,176,345.10, 688,764,517.65 and 186,742,629.90

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Solution

The fourth proportional to 459,176,345.10, 688,764,517.65 and 186,742,629.90 is: 280,113,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,176,345.10 : 688,764,517.65 = 186,742,629.90 : x
  2. Step 2: Convert to fraction form
    459,176,345.10/688,764,517.65 = 186,742,629.90/x
  3. Step 3: Cross multiply
    459,176,345.10x = 688,764,517.65 × 186,742,629.90
  4. Step 4: Simplify right side
    459,176,345.10x = 128,621,697,407,765,968
  5. Step 5: Solve for x
    x = 128,621,697,407,765,968/459,176,345.10
  6. Step 6: Final answer
    x = 280,113,944.85

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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.