Home / 683,879,256.81-943,754,181.51-370,613,470.77

Finding the Fourth Proportional to 683,879,256.81, 943,754,181.51 and 370,613,470.77

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Solution

The fourth proportional to 683,879,256.81, 943,754,181.51 and 370,613,470.77 is: 511,447,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,879,256.81 : 943,754,181.51 = 370,613,470.77 : x
  2. Step 2: Convert to fraction form
    683,879,256.81/943,754,181.51 = 370,613,470.77/x
  3. Step 3: Cross multiply
    683,879,256.81x = 943,754,181.51 × 370,613,470.77
  4. Step 4: Simplify right side
    683,879,256.81x = 349,768,012,763,121,664
  5. Step 5: Solve for x
    x = 349,768,012,763,121,664/683,879,256.81
  6. Step 6: Final answer
    x = 511,447,027.06

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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.