Home / 12,130,962,801.86-16,742,391,692.74-6,980,904,432.54

Finding the Fourth Proportional to 12,130,962,801.86, 16,742,391,692.74 and 6,980,904,432.54

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Solution

The fourth proportional to 12,130,962,801.86, 16,742,391,692.74 and 6,980,904,432.54 is: 9,634,605,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130,962,801.86 : 16,742,391,692.74 = 6,980,904,432.54 : x
  2. Step 2: Convert to fraction form
    12,130,962,801.86/16,742,391,692.74 = 6,980,904,432.54/x
  3. Step 3: Cross multiply
    12,130,962,801.86x = 16,742,391,692.74 × 6,980,904,432.54
  4. Step 4: Simplify right side
    12,130,962,801.86x = 116,877,036,379,148,599,296
  5. Step 5: Solve for x
    x = 116,877,036,379,148,599,296/12,130,962,801.86
  6. Step 6: Final answer
    x = 9,634,605,124.76

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Double scale
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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.