Home / 851,775,409.60-1,277,663,114.40-545,665,393.60

Finding the Fourth Proportional to 851,775,409.60, 1,277,663,114.40 and 545,665,393.60

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Solution

The fourth proportional to 851,775,409.60, 1,277,663,114.40 and 545,665,393.60 is: 818,498,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,775,409.60 : 1,277,663,114.40 = 545,665,393.60 : x
  2. Step 2: Convert to fraction form
    851,775,409.60/1,277,663,114.40 = 545,665,393.60/x
  3. Step 3: Cross multiply
    851,775,409.60x = 1,277,663,114.40 × 545,665,393.60
  4. Step 4: Simplify right side
    851,775,409.60x = 697,176,546,207,277,952
  5. Step 5: Solve for x
    x = 697,176,546,207,277,952/851,775,409.60
  6. Step 6: Final answer
    x = 818,498,090.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.