Home / 908,330,975.48-1,253,496,552.54-490,643,265.08

Finding the Fourth Proportional to 908,330,975.48, 1,253,496,552.54 and 490,643,265.08

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Solution

The fourth proportional to 908,330,975.48, 1,253,496,552.54 and 490,643,265.08 is: 677,087,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,330,975.48 : 1,253,496,552.54 = 490,643,265.08 : x
  2. Step 2: Convert to fraction form
    908,330,975.48/1,253,496,552.54 = 490,643,265.08/x
  3. Step 3: Cross multiply
    908,330,975.48x = 1,253,496,552.54 × 490,643,265.08
  4. Step 4: Simplify right side
    908,330,975.48x = 615,019,641,304,749,312
  5. Step 5: Solve for x
    x = 615,019,641,304,749,312/908,330,975.48
  6. Step 6: Final answer
    x = 677,087,601.22

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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.