Home / 571,172,409.10-856,866,148.44-407,002,903.06

Finding the Fourth Proportional to 571,172,409.10, 856,866,148.44 and 407,002,903.06

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Solution

The fourth proportional to 571,172,409.10, 856,866,148.44 and 407,002,903.06 is: 610,580,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,172,409.10 : 856,866,148.44 = 407,002,903.06 : x
  2. Step 2: Convert to fraction form
    571,172,409.10/856,866,148.44 = 407,002,903.06/x
  3. Step 3: Cross multiply
    571,172,409.10x = 856,866,148.44 × 407,002,903.06
  4. Step 4: Simplify right side
    571,172,409.10x = 348,747,009,948,920,896
  5. Step 5: Solve for x
    x = 348,747,009,948,920,896/571,172,409.10
  6. Step 6: Final answer
    x = 610,580,981.14

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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.