Home / 459,176,334.60-688,764,501.90-186,742,619.40

Finding the Fourth Proportional to 459,176,334.60, 688,764,501.90 and 186,742,619.40

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Solution

The fourth proportional to 459,176,334.60, 688,764,501.90 and 186,742,619.40 is: 280,113,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,176,334.60 : 688,764,501.90 = 186,742,619.40 : x
  2. Step 2: Convert to fraction form
    459,176,334.60/688,764,501.90 = 186,742,619.40/x
  3. Step 3: Cross multiply
    459,176,334.60x = 688,764,501.90 × 186,742,619.40
  4. Step 4: Simplify right side
    459,176,334.60x = 128,621,687,234,542,272
  5. Step 5: Solve for x
    x = 128,621,687,234,542,272/459,176,334.60
  6. Step 6: Final answer
    x = 280,113,929.10

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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.