Home / 506,570,942.54-699,075,040.12-291,870,928.77

Finding the Fourth Proportional to 506,570,942.54, 699,075,040.12 and 291,870,928.77

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Solution

The fourth proportional to 506,570,942.54, 699,075,040.12 and 291,870,928.77 is: 402,785,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,570,942.54 : 699,075,040.12 = 291,870,928.77 : x
  2. Step 2: Convert to fraction form
    506,570,942.54/699,075,040.12 = 291,870,928.77/x
  3. Step 3: Cross multiply
    506,570,942.54x = 699,075,040.12 × 291,870,928.77
  4. Step 4: Simplify right side
    506,570,942.54x = 204,039,681,239,749,408
  5. Step 5: Solve for x
    x = 204,039,681,239,749,408/506,570,942.54
  6. Step 6: Final answer
    x = 402,785,995.22

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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.