Home / 462,529,612.48-693,835,199.76-130,539,579.68

Finding the Fourth Proportional to 462,529,612.48, 693,835,199.76 and 130,539,579.68

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Solution

The fourth proportional to 462,529,612.48, 693,835,199.76 and 130,539,579.68 is: 195,820,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,529,612.48 : 693,835,199.76 = 130,539,579.68 : x
  2. Step 2: Convert to fraction form
    462,529,612.48/693,835,199.76 = 130,539,579.68/x
  3. Step 3: Cross multiply
    462,529,612.48x = 693,835,199.76 × 130,539,579.68
  4. Step 4: Simplify right side
    462,529,612.48x = 90,572,955,343,859,248
  5. Step 5: Solve for x
    x = 90,572,955,343,859,248/462,529,612.48
  6. Step 6: Final answer
    x = 195,820,879.14

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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.