Home / 512,276,445.17-768,720,702.53-470,598,100.68

Finding the Fourth Proportional to 512,276,445.17, 768,720,702.53 and 470,598,100.68

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Solution

The fourth proportional to 512,276,445.17, 768,720,702.53 and 470,598,100.68 is: 706,178,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,276,445.17 : 768,720,702.53 = 470,598,100.68 : x
  2. Step 2: Convert to fraction form
    512,276,445.17/768,720,702.53 = 470,598,100.68/x
  3. Step 3: Cross multiply
    512,276,445.17x = 768,720,702.53 × 470,598,100.68
  4. Step 4: Simplify right side
    512,276,445.17x = 361,758,502,561,082,688
  5. Step 5: Solve for x
    x = 361,758,502,561,082,688/512,276,445.17
  6. Step 6: Final answer
    x = 706,178,287.07

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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.