Home / 804,990,720.89-1,110,890,956.80-457,329,286.01

Finding the Fourth Proportional to 804,990,720.89, 1,110,890,956.80 and 457,329,286.01

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Solution

The fourth proportional to 804,990,720.89, 1,110,890,956.80 and 457,329,286.01 is: 631,116,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,990,720.89 : 1,110,890,956.80 = 457,329,286.01 : x
  2. Step 2: Convert to fraction form
    804,990,720.89/1,110,890,956.80 = 457,329,286.01/x
  3. Step 3: Cross multiply
    804,990,720.89x = 1,110,890,956.80 × 457,329,286.01
  4. Step 4: Simplify right side
    804,990,720.89x = 508,042,968,102,755,264
  5. Step 5: Solve for x
    x = 508,042,968,102,755,264/804,990,720.89
  6. Step 6: Final answer
    x = 631,116,551.93

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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.