Home / 20,468,417,525.77-28,247,877,848.55-11,312,749,403.60

Finding the Fourth Proportional to 20,468,417,525.77, 28,247,877,848.55 and 11,312,749,403.60

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Solution

The fourth proportional to 20,468,417,525.77, 28,247,877,848.55 and 11,312,749,403.60 is: 15,612,402,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468,417,525.77 : 28,247,877,848.55 = 11,312,749,403.60 : x
  2. Step 2: Convert to fraction form
    20,468,417,525.77/28,247,877,848.55 = 11,312,749,403.60/x
  3. Step 3: Cross multiply
    20,468,417,525.77x = 28,247,877,848.55 × 11,312,749,403.60
  4. Step 4: Simplify right side
    20,468,417,525.77x = 319,561,163,284,093,075,456
  5. Step 5: Solve for x
    x = 319,561,163,284,093,075,456/20,468,417,525.77
  6. Step 6: Final answer
    x = 15,612,402,027.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.