Home / 470,544,968.40-705,171,744.72-297,712,384.80

Finding the Fourth Proportional to 470,544,968.40, 705,171,744.72 and 297,712,384.80

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Solution

The fourth proportional to 470,544,968.40, 705,171,744.72 and 297,712,384.80 is: 446,160,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,544,968.40 : 705,171,744.72 = 297,712,384.80 : x
  2. Step 2: Convert to fraction form
    470,544,968.40/705,171,744.72 = 297,712,384.80/x
  3. Step 3: Cross multiply
    470,544,968.40x = 705,171,744.72 × 297,712,384.80
  4. Step 4: Simplify right side
    470,544,968.40x = 209,938,361,814,168,032
  5. Step 5: Solve for x
    x = 209,938,361,814,168,032/470,544,968.40
  6. Step 6: Final answer
    x = 446,160,039.77

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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.