Home / 1,424,082,986.40-2,136,124,479.60-959,178,399.60

Finding the Fourth Proportional to 1,424,082,986.40, 2,136,124,479.60 and 959,178,399.60

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Solution

The fourth proportional to 1,424,082,986.40, 2,136,124,479.60 and 959,178,399.60 is: 1,438,767,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,082,986.40 : 2,136,124,479.60 = 959,178,399.60 : x
  2. Step 2: Convert to fraction form
    1,424,082,986.40/2,136,124,479.60 = 959,178,399.60/x
  3. Step 3: Cross multiply
    1,424,082,986.40x = 2,136,124,479.60 × 959,178,399.60
  4. Step 4: Simplify right side
    1,424,082,986.40x = 2,048,924,459,689,110,784
  5. Step 5: Solve for x
    x = 2,048,924,459,689,110,784/1,424,082,986.40
  6. Step 6: Final answer
    x = 1,438,767,599.40

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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.