Home / 631,152,011.80-946,728,017.70-478,097,003.80

Finding the Fourth Proportional to 631,152,011.80, 946,728,017.70 and 478,097,003.80

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Solution

The fourth proportional to 631,152,011.80, 946,728,017.70 and 478,097,003.80 is: 717,145,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,152,011.80 : 946,728,017.70 = 478,097,003.80 : x
  2. Step 2: Convert to fraction form
    631,152,011.80/946,728,017.70 = 478,097,003.80/x
  3. Step 3: Cross multiply
    631,152,011.80x = 946,728,017.70 × 478,097,003.80
  4. Step 4: Simplify right side
    631,152,011.80x = 452,627,828,675,883,392
  5. Step 5: Solve for x
    x = 452,627,828,675,883,392/631,152,011.80
  6. Step 6: Final answer
    x = 717,145,505.70

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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.