Home / 403,501,843.80-603,977,307.30-288,710,587.80

Finding the Fourth Proportional to 403,501,843.80, 603,977,307.30 and 288,710,587.80

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Solution

The fourth proportional to 403,501,843.80, 603,977,307.30 and 288,710,587.80 is: 432,153,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,501,843.80 : 603,977,307.30 = 288,710,587.80 : x
  2. Step 2: Convert to fraction form
    403,501,843.80/603,977,307.30 = 288,710,587.80/x
  3. Step 3: Cross multiply
    403,501,843.80x = 603,977,307.30 × 288,710,587.80
  4. Step 4: Simplify right side
    403,501,843.80x = 174,374,643,408,444,224
  5. Step 5: Solve for x
    x = 174,374,643,408,444,224/403,501,843.80
  6. Step 6: Final answer
    x = 432,153,275.35

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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.