Home / 826,527,793.12-1,140,608,290.73-455,249,824.51

Finding the Fourth Proportional to 826,527,793.12, 1,140,608,290.73 and 455,249,824.51

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Solution

The fourth proportional to 826,527,793.12, 1,140,608,290.73 and 455,249,824.51 is: 628,244,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,527,793.12 : 1,140,608,290.73 = 455,249,824.51 : x
  2. Step 2: Convert to fraction form
    826,527,793.12/1,140,608,290.73 = 455,249,824.51/x
  3. Step 3: Cross multiply
    826,527,793.12x = 1,140,608,290.73 × 455,249,824.51
  4. Step 4: Simplify right side
    826,527,793.12x = 519,261,724,189,483,584
  5. Step 5: Solve for x
    x = 519,261,724,189,483,584/826,527,793.12
  6. Step 6: Final answer
    x = 628,244,722.70

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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.