Home / 689,549,401.68-951,598,270.08-376,303,792.32

Finding the Fourth Proportional to 689,549,401.68, 951,598,270.08 and 376,303,792.32

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Solution

The fourth proportional to 689,549,401.68, 951,598,270.08 and 376,303,792.32 is: 519,310,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,549,401.68 : 951,598,270.08 = 376,303,792.32 : x
  2. Step 2: Convert to fraction form
    689,549,401.68/951,598,270.08 = 376,303,792.32/x
  3. Step 3: Cross multiply
    689,549,401.68x = 951,598,270.08 × 376,303,792.32
  4. Step 4: Simplify right side
    689,549,401.68x = 358,090,037,796,255,616
  5. Step 5: Solve for x
    x = 358,090,037,796,255,616/689,549,401.68
  6. Step 6: Final answer
    x = 519,310,200.14

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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.