Home / 710,878,042.71-1,066,363,850.75-186,259,990.23

Finding the Fourth Proportional to 710,878,042.71, 1,066,363,850.75 and 186,259,990.23

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Solution

The fourth proportional to 710,878,042.71, 1,066,363,850.75 and 186,259,990.23 is: 279,402,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,878,042.71 : 1,066,363,850.75 = 186,259,990.23 : x
  2. Step 2: Convert to fraction form
    710,878,042.71/1,066,363,850.75 = 186,259,990.23/x
  3. Step 3: Cross multiply
    710,878,042.71x = 1,066,363,850.75 × 186,259,990.23
  4. Step 4: Simplify right side
    710,878,042.71x = 198,620,920,421,388,864
  5. Step 5: Solve for x
    x = 198,620,920,421,388,864/710,878,042.71
  6. Step 6: Final answer
    x = 279,402,244.11

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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.