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Finding the Fourth Proportional to 804,990,713.01, 1,110,890,945.93 and 457,329,278.13

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Solution

The fourth proportional to 804,990,713.01, 1,110,890,945.93 and 457,329,278.13 is: 631,116,541.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,990,713.01 : 1,110,890,945.93 = 457,329,278.13 : x
  2. Step 2: Convert to fraction form
    804,990,713.01/1,110,890,945.93 = 457,329,278.13/x
  3. Step 3: Cross multiply
    804,990,713.01x = 1,110,890,945.93 × 457,329,278.13
  4. Step 4: Simplify right side
    804,990,713.01x = 508,042,954,381,033,088
  5. Step 5: Solve for x
    x = 508,042,954,381,033,088/804,990,713.01
  6. Step 6: Final answer
    x = 631,116,541.06

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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.