Home / 661,267,533.66-912,549,345.40-363,909,775.83

Finding the Fourth Proportional to 661,267,533.66, 912,549,345.40 and 363,909,775.83

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Solution

The fourth proportional to 661,267,533.66, 912,549,345.40 and 363,909,775.83 is: 502,195,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,267,533.66 : 912,549,345.40 = 363,909,775.83 : x
  2. Step 2: Convert to fraction form
    661,267,533.66/912,549,345.40 = 363,909,775.83/x
  3. Step 3: Cross multiply
    661,267,533.66x = 912,549,345.40 × 363,909,775.83
  4. Step 4: Simplify right side
    661,267,533.66x = 332,085,627,715,360,064
  5. Step 5: Solve for x
    x = 332,085,627,715,360,064/661,267,533.66
  6. Step 6: Final answer
    x = 502,195,572.61

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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.