Home / 826,527,798.87-1,140,608,298.69-455,249,830.29

Finding the Fourth Proportional to 826,527,798.87, 1,140,608,298.69 and 455,249,830.29

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Solution

The fourth proportional to 826,527,798.87, 1,140,608,298.69 and 455,249,830.29 is: 628,244,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,527,798.87 : 1,140,608,298.69 = 455,249,830.29 : x
  2. Step 2: Convert to fraction form
    826,527,798.87/1,140,608,298.69 = 455,249,830.29/x
  3. Step 3: Cross multiply
    826,527,798.87x = 1,140,608,298.69 × 455,249,830.29
  4. Step 4: Simplify right side
    826,527,798.87x = 519,261,734,405,988,160
  5. Step 5: Solve for x
    x = 519,261,734,405,988,160/826,527,798.87
  6. Step 6: Final answer
    x = 628,244,730.69

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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.