Home / 683,108,391.04-942,688,225.92-369,842,519.68

Finding the Fourth Proportional to 683,108,391.04, 942,688,225.92 and 369,842,519.68

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Solution

The fourth proportional to 683,108,391.04, 942,688,225.92 and 369,842,519.68 is: 510,381,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,108,391.04 : 942,688,225.92 = 369,842,519.68 : x
  2. Step 2: Convert to fraction form
    683,108,391.04/942,688,225.92 = 369,842,519.68/x
  3. Step 3: Cross multiply
    683,108,391.04x = 942,688,225.92 × 369,842,519.68
  4. Step 4: Simplify right side
    683,108,391.04x = 348,646,188,746,921,856
  5. Step 5: Solve for x
    x = 348,646,188,746,921,856/683,108,391.04
  6. Step 6: Final answer
    x = 510,381,944.24

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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.