Home / 706,752,021.10-1,060,128,031.65-400,642,005.10

Finding the Fourth Proportional to 706,752,021.10, 1,060,128,031.65 and 400,642,005.10

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Solution

The fourth proportional to 706,752,021.10, 1,060,128,031.65 and 400,642,005.10 is: 600,963,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,752,021.10 : 1,060,128,031.65 = 400,642,005.10 : x
  2. Step 2: Convert to fraction form
    706,752,021.10/1,060,128,031.65 = 400,642,005.10/x
  3. Step 3: Cross multiply
    706,752,021.10x = 1,060,128,031.65 × 400,642,005.10
  4. Step 4: Simplify right side
    706,752,021.10x = 424,731,820,262,972,288
  5. Step 5: Solve for x
    x = 424,731,820,262,972,288/706,752,021.10
  6. Step 6: Final answer
    x = 600,963,007.65

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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.