Home / 470,308,032,167.20-705,462,048,250.80-421,820,205,632.80

Finding the Fourth Proportional to 470,308,032,167.20, 705,462,048,250.80 and 421,820,205,632.80

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Solution

The fourth proportional to 470,308,032,167.20, 705,462,048,250.80 and 421,820,205,632.80 is: 632,730,308,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,308,032,167.20 : 705,462,048,250.80 = 421,820,205,632.80 : x
  2. Step 2: Convert to fraction form
    470,308,032,167.20/705,462,048,250.80 = 421,820,205,632.80/x
  3. Step 3: Cross multiply
    470,308,032,167.20x = 705,462,048,250.80 × 421,820,205,632.80
  4. Step 4: Simplify right side
    470,308,032,167.20x = 297,578,146,259,288,742,428,672
  5. Step 5: Solve for x
    x = 297,578,146,259,288,742,428,672/470,308,032,167.20
  6. Step 6: Final answer
    x = 632,730,308,449.20

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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.