Home / 1,048,163,089.14-1,572,187,946.67-321,153,900.66

Finding the Fourth Proportional to 1,048,163,089.14, 1,572,187,946.67 and 321,153,900.66

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Solution

The fourth proportional to 1,048,163,089.14, 1,572,187,946.67 and 321,153,900.66 is: 481,713,482.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,163,089.14 : 1,572,187,946.67 = 321,153,900.66 : x
  2. Step 2: Convert to fraction form
    1,048,163,089.14/1,572,187,946.67 = 321,153,900.66/x
  3. Step 3: Cross multiply
    1,048,163,089.14x = 1,572,187,946.67 × 321,153,900.66
  4. Step 4: Simplify right side
    1,048,163,089.14x = 504,914,291,643,706,624
  5. Step 5: Solve for x
    x = 504,914,291,643,706,624/1,048,163,089.14
  6. Step 6: Final answer
    x = 481,713,482.26

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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.