Home / 912,913,162.59-1,369,426,548.57-330,652,452.67

Finding the Fourth Proportional to 912,913,162.59, 1,369,426,548.57 and 330,652,452.67

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Solution

The fourth proportional to 912,913,162.59, 1,369,426,548.57 and 330,652,452.67 is: 495,999,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,913,162.59 : 1,369,426,548.57 = 330,652,452.67 : x
  2. Step 2: Convert to fraction form
    912,913,162.59/1,369,426,548.57 = 330,652,452.67/x
  3. Step 3: Cross multiply
    912,913,162.59x = 1,369,426,548.57 × 330,652,452.67
  4. Step 4: Simplify right side
    912,913,162.59x = 452,804,247,032,659,840
  5. Step 5: Solve for x
    x = 452,804,247,032,659,840/912,913,162.59
  6. Step 6: Final answer
    x = 495,999,253.37

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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.