Home / 28,371,606,871.60-42,561,441,385.80-8,740,255,063.60

Finding the Fourth Proportional to 28,371,606,871.60, 42,561,441,385.80 and 8,740,255,063.60

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Solution

The fourth proportional to 28,371,606,871.60, 42,561,441,385.80 and 8,740,255,063.60 is: 13,111,624,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,371,606,871.60 : 42,561,441,385.80 = 8,740,255,063.60 : x
  2. Step 2: Convert to fraction form
    28,371,606,871.60/42,561,441,385.80 = 8,740,255,063.60/x
  3. Step 3: Cross multiply
    28,371,606,871.60x = 42,561,441,385.80 × 8,740,255,063.60
  4. Step 4: Simplify right side
    28,371,606,871.60x = 371,997,853,586,353,094,656
  5. Step 5: Solve for x
    x = 371,997,853,586,353,094,656/28,371,606,871.60
  6. Step 6: Final answer
    x = 13,111,624,423.31

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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.