Home / 953,020,858.28-1,425,142,839.50-906,530,399.60

Finding the Fourth Proportional to 953,020,858.28, 1,425,142,839.50 and 906,530,399.60

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Solution

The fourth proportional to 953,020,858.28, 1,425,142,839.50 and 906,530,399.60 is: 1,355,621,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,020,858.28 : 1,425,142,839.50 = 906,530,399.60 : x
  2. Step 2: Convert to fraction form
    953,020,858.28/1,425,142,839.50 = 906,530,399.60/x
  3. Step 3: Cross multiply
    953,020,858.28x = 1,425,142,839.50 × 906,530,399.60
  4. Step 4: Simplify right side
    953,020,858.28x = 1,291,935,307,779,013,632
  5. Step 5: Solve for x
    x = 1,291,935,307,779,013,632/953,020,858.28
  6. Step 6: Final answer
    x = 1,355,621,229.65

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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.