Home / 28,371,606,867.60-42,561,441,379.80-8,740,255,059.60

Finding the Fourth Proportional to 28,371,606,867.60, 42,561,441,379.80 and 8,740,255,059.60

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Solution

The fourth proportional to 28,371,606,867.60, 42,561,441,379.80 and 8,740,255,059.60 is: 13,111,624,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,606,867.60 : 42,561,441,379.80 = 8,740,255,059.60 : x
  2. Step 2: Convert to fraction form
    28,371,606,867.60/42,561,441,379.80 = 8,740,255,059.60/x
  3. Step 3: Cross multiply
    28,371,606,867.60x = 42,561,441,379.80 × 8,740,255,059.60
  4. Step 4: Simplify right side
    28,371,606,867.60x = 371,997,853,363,665,829,888
  5. Step 5: Solve for x
    x = 371,997,853,363,665,829,888/28,371,606,867.60
  6. Step 6: Final answer
    x = 13,111,624,417.31

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1.5x scale

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.