Home / 957,720,334.50-1,321,653,477.03-517,687,186.50

Finding the Fourth Proportional to 957,720,334.50, 1,321,653,477.03 and 517,687,186.50

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Solution

The fourth proportional to 957,720,334.50, 1,321,653,477.03 and 517,687,186.50 is: 714,408,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,720,334.50 : 1,321,653,477.03 = 517,687,186.50 : x
  2. Step 2: Convert to fraction form
    957,720,334.50/1,321,653,477.03 = 517,687,186.50/x
  3. Step 3: Cross multiply
    957,720,334.50x = 1,321,653,477.03 × 517,687,186.50
  4. Step 4: Simplify right side
    957,720,334.50x = 684,203,070,051,603,072
  5. Step 5: Solve for x
    x = 684,203,070,051,603,072/957,720,334.50
  6. Step 6: Final answer
    x = 714,408,001.38

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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.