Home / 847,128,498.20-1,168,674,697.34-529,036,509.04

Finding the Fourth Proportional to 847,128,498.20, 1,168,674,697.34 and 529,036,509.04

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Solution

The fourth proportional to 847,128,498.20, 1,168,674,697.34 and 529,036,509.04 is: 729,843,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,128,498.20 : 1,168,674,697.34 = 529,036,509.04 : x
  2. Step 2: Convert to fraction form
    847,128,498.20/1,168,674,697.34 = 529,036,509.04/x
  3. Step 3: Cross multiply
    847,128,498.20x = 1,168,674,697.34 × 529,036,509.04
  4. Step 4: Simplify right side
    847,128,498.20x = 618,271,582,078,565,376
  5. Step 5: Solve for x
    x = 618,271,582,078,565,376/847,128,498.20
  6. Step 6: Final answer
    x = 729,843,917.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.