Home / 630,948,803.40-946,423,205.10-523,453,379.40

Finding the Fourth Proportional to 630,948,803.40, 946,423,205.10 and 523,453,379.40

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Solution

The fourth proportional to 630,948,803.40, 946,423,205.10 and 523,453,379.40 is: 785,180,069.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,948,803.40 : 946,423,205.10 = 523,453,379.40 : x
  2. Step 2: Convert to fraction form
    630,948,803.40/946,423,205.10 = 523,453,379.40/x
  3. Step 3: Cross multiply
    630,948,803.40x = 946,423,205.10 × 523,453,379.40
  4. Step 4: Simplify right side
    630,948,803.40x = 495,408,425,052,174,336
  5. Step 5: Solve for x
    x = 495,408,425,052,174,336/630,948,803.40
  6. Step 6: Final answer
    x = 785,180,069.10

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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.