Home / 459,223,693.40-688,835,540.10-167,994,025.40

Finding the Fourth Proportional to 459,223,693.40, 688,835,540.10 and 167,994,025.40

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Solution

The fourth proportional to 459,223,693.40, 688,835,540.10 and 167,994,025.40 is: 251,991,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,223,693.40 : 688,835,540.10 = 167,994,025.40 : x
  2. Step 2: Convert to fraction form
    459,223,693.40/688,835,540.10 = 167,994,025.40/x
  3. Step 3: Cross multiply
    459,223,693.40x = 688,835,540.10 × 167,994,025.40
  4. Step 4: Simplify right side
    459,223,693.40x = 115,720,255,219,982,128
  5. Step 5: Solve for x
    x = 115,720,255,219,982,128/459,223,693.40
  6. Step 6: Final answer
    x = 251,991,038.10

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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.