Home / 972,928,692.05-1,461,721,242.11-623,858,667.21

Finding the Fourth Proportional to 972,928,692.05, 1,461,721,242.11 and 623,858,667.21

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Solution

The fourth proportional to 972,928,692.05, 1,461,721,242.11 and 623,858,667.21 is: 937,280,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,928,692.05 : 1,461,721,242.11 = 623,858,667.21 : x
  2. Step 2: Convert to fraction form
    972,928,692.05/1,461,721,242.11 = 623,858,667.21/x
  3. Step 3: Cross multiply
    972,928,692.05x = 1,461,721,242.11 × 623,858,667.21
  4. Step 4: Simplify right side
    972,928,692.05x = 911,907,465,932,171,136
  5. Step 5: Solve for x
    x = 911,907,465,932,171,136/972,928,692.05
  6. Step 6: Final answer
    x = 937,280,885.42

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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.