Home / 554,699,994-765,510,054.18-307,181,348.28

Finding the Fourth Proportional to 554,699,994, 765,510,054.18 and 307,181,348.28

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Solution

The fourth proportional to 554,699,994, 765,510,054.18 and 307,181,348.28 is: 423,923,585.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,699,994 : 765,510,054.18 = 307,181,348.28 : x
  2. Step 2: Convert to fraction form
    554,699,994/765,510,054.18 = 307,181,348.28/x
  3. Step 3: Cross multiply
    554,699,994x = 765,510,054.18 × 307,181,348.28
  4. Step 4: Simplify right side
    554,699,994x = 235,150,410,564,908,224
  5. Step 5: Solve for x
    x = 235,150,410,564,908,224/554,699,994
  6. Step 6: Final answer
    x = 423,923,585.92

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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.