Home / 529,869,492.88-731,206,535.59-291,712,299.72

Finding the Fourth Proportional to 529,869,492.88, 731,206,535.59 and 291,712,299.72

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Solution

The fourth proportional to 529,869,492.88, 731,206,535.59 and 291,712,299.72 is: 402,555,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,869,492.88 : 731,206,535.59 = 291,712,299.72 : x
  2. Step 2: Convert to fraction form
    529,869,492.88/731,206,535.59 = 291,712,299.72/x
  3. Step 3: Cross multiply
    529,869,492.88x = 731,206,535.59 × 291,712,299.72
  4. Step 4: Simplify right side
    529,869,492.88x = 213,301,940,066,523,648
  5. Step 5: Solve for x
    x = 213,301,940,066,523,648/529,869,492.88
  6. Step 6: Final answer
    x = 402,555,615.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.