Home / 403,572,931,521.90-605,359,979,904.21-164,807,580,582.27

Finding the Fourth Proportional to 403,572,931,521.90, 605,359,979,904.21 and 164,807,580,582.27

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Solution

The fourth proportional to 403,572,931,521.90, 605,359,979,904.21 and 164,807,580,582.27 is: 247,211,608,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,572,931,521.90 : 605,359,979,904.21 = 164,807,580,582.27 : x
  2. Step 2: Convert to fraction form
    403,572,931,521.90/605,359,979,904.21 = 164,807,580,582.27/x
  3. Step 3: Cross multiply
    403,572,931,521.90x = 605,359,979,904.21 × 164,807,580,582.27
  4. Step 4: Simplify right side
    403,572,931,521.90x = 99,767,913,669,344,423,313,408
  5. Step 5: Solve for x
    x = 99,767,913,669,344,423,313,408/403,572,931,521.90
  6. Step 6: Final answer
    x = 247,211,608,799.22

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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.