Home / 620,107,277.40-930,160,916.10-400,569,000.30

Finding the Fourth Proportional to 620,107,277.40, 930,160,916.10 and 400,569,000.30

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Solution

The fourth proportional to 620,107,277.40, 930,160,916.10 and 400,569,000.30 is: 600,853,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,107,277.40 : 930,160,916.10 = 400,569,000.30 : x
  2. Step 2: Convert to fraction form
    620,107,277.40/930,160,916.10 = 400,569,000.30/x
  3. Step 3: Cross multiply
    620,107,277.40x = 930,160,916.10 × 400,569,000.30
  4. Step 4: Simplify right side
    620,107,277.40x = 372,593,628,280,309,184
  5. Step 5: Solve for x
    x = 372,593,628,280,309,184/620,107,277.40
  6. Step 6: Final answer
    x = 600,853,500.45

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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.