Home / 664,006,484.40-996,009,726.60-470,136,807.60

Finding the Fourth Proportional to 664,006,484.40, 996,009,726.60 and 470,136,807.60

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Solution

The fourth proportional to 664,006,484.40, 996,009,726.60 and 470,136,807.60 is: 705,205,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,006,484.40 : 996,009,726.60 = 470,136,807.60 : x
  2. Step 2: Convert to fraction form
    664,006,484.40/996,009,726.60 = 470,136,807.60/x
  3. Step 3: Cross multiply
    664,006,484.40x = 996,009,726.60 × 470,136,807.60
  4. Step 4: Simplify right side
    664,006,484.40x = 468,260,833,202,272,832
  5. Step 5: Solve for x
    x = 468,260,833,202,272,832/664,006,484.40
  6. Step 6: Final answer
    x = 705,205,211.40

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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.