Home / 459,258,051.60-688,887,077.40-440,126,175.60

Finding the Fourth Proportional to 459,258,051.60, 688,887,077.40 and 440,126,175.60

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Solution

The fourth proportional to 459,258,051.60, 688,887,077.40 and 440,126,175.60 is: 660,189,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,258,051.60 : 688,887,077.40 = 440,126,175.60 : x
  2. Step 2: Convert to fraction form
    459,258,051.60/688,887,077.40 = 440,126,175.60/x
  3. Step 3: Cross multiply
    459,258,051.60x = 688,887,077.40 × 440,126,175.60
  4. Step 4: Simplify right side
    459,258,051.60x = 303,197,234,796,323,200
  5. Step 5: Solve for x
    x = 303,197,234,796,323,200/459,258,051.60
  6. Step 6: Final answer
    x = 660,189,263.40

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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.