Home / 354,312,328.40-531,468,492.60-322,000,715.60

Finding the Fourth Proportional to 354,312,328.40, 531,468,492.60 and 322,000,715.60

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Solution

The fourth proportional to 354,312,328.40, 531,468,492.60 and 322,000,715.60 is: 483,001,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,312,328.40 : 531,468,492.60 = 322,000,715.60 : x
  2. Step 2: Convert to fraction form
    354,312,328.40/531,468,492.60 = 322,000,715.60/x
  3. Step 3: Cross multiply
    354,312,328.40x = 531,468,492.60 × 322,000,715.60
  4. Step 4: Simplify right side
    354,312,328.40x = 171,133,234,936,053,312
  5. Step 5: Solve for x
    x = 171,133,234,936,053,312/354,312,328.40
  6. Step 6: Final answer
    x = 483,001,073.40

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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.