Home / 425,744,064.80-638,616,097.20-183,879,360.80

Finding the Fourth Proportional to 425,744,064.80, 638,616,097.20 and 183,879,360.80

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Solution

The fourth proportional to 425,744,064.80, 638,616,097.20 and 183,879,360.80 is: 275,819,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,744,064.80 : 638,616,097.20 = 183,879,360.80 : x
  2. Step 2: Convert to fraction form
    425,744,064.80/638,616,097.20 = 183,879,360.80/x
  3. Step 3: Cross multiply
    425,744,064.80x = 638,616,097.20 × 183,879,360.80
  4. Step 4: Simplify right side
    425,744,064.80x = 117,428,319,749,726,688
  5. Step 5: Solve for x
    x = 117,428,319,749,726,688/425,744,064.80
  6. Step 6: Final answer
    x = 275,819,041.20

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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.