Home / 717,502,062.07-990,152,858.06-387,477,201.07

Finding the Fourth Proportional to 717,502,062.07, 990,152,858.06 and 387,477,201.07

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Solution

The fourth proportional to 717,502,062.07, 990,152,858.06 and 387,477,201.07 is: 534,718,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,502,062.07 : 990,152,858.06 = 387,477,201.07 : x
  2. Step 2: Convert to fraction form
    717,502,062.07/990,152,858.06 = 387,477,201.07/x
  3. Step 3: Cross multiply
    717,502,062.07x = 990,152,858.06 × 387,477,201.07
  4. Step 4: Simplify right side
    717,502,062.07x = 383,661,658,072,549,760
  5. Step 5: Solve for x
    x = 383,661,658,072,549,760/717,502,062.07
  6. Step 6: Final answer
    x = 534,718,544.17

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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.