Home / 869,425,320.96-1,200,357,688.32-539,750,292.48

Finding the Fourth Proportional to 869,425,320.96, 1,200,357,688.32 and 539,750,292.48

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Solution

The fourth proportional to 869,425,320.96, 1,200,357,688.32 and 539,750,292.48 is: 745,197,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,425,320.96 : 1,200,357,688.32 = 539,750,292.48 : x
  2. Step 2: Convert to fraction form
    869,425,320.96/1,200,357,688.32 = 539,750,292.48/x
  3. Step 3: Cross multiply
    869,425,320.96x = 1,200,357,688.32 × 539,750,292.48
  4. Step 4: Simplify right side
    869,425,320.96x = 647,893,413,351,336,704
  5. Step 5: Solve for x
    x = 647,893,413,351,336,704/869,425,320.96
  6. Step 6: Final answer
    x = 745,197,313.37

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1.5x scale

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.