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Finding the Fourth Proportional to 774,504,471, 1,068,816,191.58 and 426,823,959

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Solution

The fourth proportional to 774,504,471, 1,068,816,191.58 and 426,823,959 is: 589,017,075.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,504,471 : 1,068,816,191.58 = 426,823,959 : x
  2. Step 2: Convert to fraction form
    774,504,471/1,068,816,191.58 = 426,823,959/x
  3. Step 3: Cross multiply
    774,504,471x = 1,068,816,191.58 × 426,823,959
  4. Step 4: Simplify right side
    774,504,471x = 456,196,358,333,478,080
  5. Step 5: Solve for x
    x = 456,196,358,333,478,080/774,504,471
  6. Step 6: Final answer
    x = 589,017,075.32

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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.