Home / 922,391,031.98-1,273,051,832.36-565,357,410.38

Finding the Fourth Proportional to 922,391,031.98, 1,273,051,832.36 and 565,357,410.38

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Solution

The fourth proportional to 922,391,031.98, 1,273,051,832.36 and 565,357,410.38 is: 780,286,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,391,031.98 : 1,273,051,832.36 = 565,357,410.38 : x
  2. Step 2: Convert to fraction form
    922,391,031.98/1,273,051,832.36 = 565,357,410.38/x
  3. Step 3: Cross multiply
    922,391,031.98x = 1,273,051,832.36 × 565,357,410.38
  4. Step 4: Simplify right side
    922,391,031.98x = 719,729,287,222,919,424
  5. Step 5: Solve for x
    x = 719,729,287,222,919,424/922,391,031.98
  6. Step 6: Final answer
    x = 780,286,518.70

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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.