Home / 514,567,773.16-710,114,039.09-279,633,567.67

Finding the Fourth Proportional to 514,567,773.16, 710,114,039.09 and 279,633,567.67

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Solution

The fourth proportional to 514,567,773.16, 710,114,039.09 and 279,633,567.67 is: 385,900,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,567,773.16 : 710,114,039.09 = 279,633,567.67 : x
  2. Step 2: Convert to fraction form
    514,567,773.16/710,114,039.09 = 279,633,567.67/x
  3. Step 3: Cross multiply
    514,567,773.16x = 710,114,039.09 × 279,633,567.67
  4. Step 4: Simplify right side
    514,567,773.16x = 198,571,722,201,165,728
  5. Step 5: Solve for x
    x = 198,571,722,201,165,728/514,567,773.16
  6. Step 6: Final answer
    x = 385,900,036.03

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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.