Home / 403,572,931,574.98-605,359,979,983.82-164,807,580,635.32

Finding the Fourth Proportional to 403,572,931,574.98, 605,359,979,983.82 and 164,807,580,635.32

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Solution

The fourth proportional to 403,572,931,574.98, 605,359,979,983.82 and 164,807,580,635.32 is: 247,211,608,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,572,931,574.98 : 605,359,979,983.82 = 164,807,580,635.32 : x
  2. Step 2: Convert to fraction form
    403,572,931,574.98/605,359,979,983.82 = 164,807,580,635.32/x
  3. Step 3: Cross multiply
    403,572,931,574.98x = 605,359,979,983.82 × 164,807,580,635.32
  4. Step 4: Simplify right side
    403,572,931,574.98x = 99,767,913,714,579,119,538,176
  5. Step 5: Solve for x
    x = 99,767,913,714,579,119,538,176/403,572,931,574.98
  6. Step 6: Final answer
    x = 247,211,608,878.79

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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.