Home / 243,139,968,012.80-364,709,952,019.20-203,957,885,964.80

Finding the Fourth Proportional to 243,139,968,012.80, 364,709,952,019.20 and 203,957,885,964.80

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Solution

The fourth proportional to 243,139,968,012.80, 364,709,952,019.20 and 203,957,885,964.80 is: 305,936,828,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,139,968,012.80 : 364,709,952,019.20 = 203,957,885,964.80 : x
  2. Step 2: Convert to fraction form
    243,139,968,012.80/364,709,952,019.20 = 203,957,885,964.80/x
  3. Step 3: Cross multiply
    243,139,968,012.80x = 364,709,952,019.20 × 203,957,885,964.80
  4. Step 4: Simplify right side
    243,139,968,012.80x = 74,385,470,804,159,669,207,040
  5. Step 5: Solve for x
    x = 74,385,470,804,159,669,207,040/243,139,968,012.80
  6. Step 6: Final answer
    x = 305,936,828,947.20

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1.5x scale

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.