Home / 762,429,999.07-1,052,570,887.21-533,636,909.09

Finding the Fourth Proportional to 762,429,999.07, 1,052,570,887.21 and 533,636,909.09

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Solution

The fourth proportional to 762,429,999.07, 1,052,570,887.21 and 533,636,909.09 is: 736,711,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,429,999.07 : 1,052,570,887.21 = 533,636,909.09 : x
  2. Step 2: Convert to fraction form
    762,429,999.07/1,052,570,887.21 = 533,636,909.09/x
  3. Step 3: Cross multiply
    762,429,999.07x = 1,052,570,887.21 × 533,636,909.09
  4. Step 4: Simplify right side
    762,429,999.07x = 561,690,674,850,160,704
  5. Step 5: Solve for x
    x = 561,690,674,850,160,704/762,429,999.07
  6. Step 6: Final answer
    x = 736,711,141.40

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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.