Home / 425,316,803.70-637,975,205.55-152,652,141.30

Finding the Fourth Proportional to 425,316,803.70, 637,975,205.55 and 152,652,141.30

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Solution

The fourth proportional to 425,316,803.70, 637,975,205.55 and 152,652,141.30 is: 228,978,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,316,803.70 : 637,975,205.55 = 152,652,141.30 : x
  2. Step 2: Convert to fraction form
    425,316,803.70/637,975,205.55 = 152,652,141.30/x
  3. Step 3: Cross multiply
    425,316,803.70x = 637,975,205.55 × 152,652,141.30
  4. Step 4: Simplify right side
    425,316,803.70x = 97,388,281,223,515,152
  5. Step 5: Solve for x
    x = 97,388,281,223,515,152/425,316,803.70
  6. Step 6: Final answer
    x = 228,978,211.95

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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.