Home / 1,587,938,234.79-2,382,021,118.35-423,400,625.67

Finding the Fourth Proportional to 1,587,938,234.79, 2,382,021,118.35 and 423,400,625.67

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Solution

The fourth proportional to 1,587,938,234.79, 2,382,021,118.35 and 423,400,625.67 is: 635,131,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,938,234.79 : 2,382,021,118.35 = 423,400,625.67 : x
  2. Step 2: Convert to fraction form
    1,587,938,234.79/2,382,021,118.35 = 423,400,625.67/x
  3. Step 3: Cross multiply
    1,587,938,234.79x = 2,382,021,118.35 × 423,400,625.67
  4. Step 4: Simplify right side
    1,587,938,234.79x = 1,008,549,231,868,543,104
  5. Step 5: Solve for x
    x = 1,008,549,231,868,543,104/1,587,938,234.79
  6. Step 6: Final answer
    x = 635,131,272.60

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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.