Home / 726,740,328.30-1,090,110,492.45-358,451,715.30

Finding the Fourth Proportional to 726,740,328.30, 1,090,110,492.45 and 358,451,715.30

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Solution

The fourth proportional to 726,740,328.30, 1,090,110,492.45 and 358,451,715.30 is: 537,677,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,740,328.30 : 1,090,110,492.45 = 358,451,715.30 : x
  2. Step 2: Convert to fraction form
    726,740,328.30/1,090,110,492.45 = 358,451,715.30/x
  3. Step 3: Cross multiply
    726,740,328.30x = 1,090,110,492.45 × 358,451,715.30
  4. Step 4: Simplify right side
    726,740,328.30x = 390,751,975,885,230,208
  5. Step 5: Solve for x
    x = 390,751,975,885,230,208/726,740,328.30
  6. Step 6: Final answer
    x = 537,677,572.95

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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.