Home / 478,134,300,907.36-717,201,451,410.28-159,780,499,661.80

Finding the Fourth Proportional to 478,134,300,907.36, 717,201,451,410.28 and 159,780,499,661.80

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Solution

The fourth proportional to 478,134,300,907.36, 717,201,451,410.28 and 159,780,499,661.80 is: 239,670,749,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,134,300,907.36 : 717,201,451,410.28 = 159,780,499,661.80 : x
  2. Step 2: Convert to fraction form
    478,134,300,907.36/717,201,451,410.28 = 159,780,499,661.80/x
  3. Step 3: Cross multiply
    478,134,300,907.36x = 717,201,451,410.28 × 159,780,499,661.80
  4. Step 4: Simplify right side
    478,134,300,907.36x = 114,594,806,264,502,704,668,672
  5. Step 5: Solve for x
    x = 114,594,806,264,502,704,668,672/478,134,300,907.36
  6. Step 6: Final answer
    x = 239,670,749,509.16

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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.