Home / 76,977,470,041.64-106,229,137,472.08-42,685,592,413.40

Finding the Fourth Proportional to 76,977,470,041.64, 106,229,137,472.08 and 42,685,592,413.40

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Solution

The fourth proportional to 76,977,470,041.64, 106,229,137,472.08 and 42,685,592,413.40 is: 58,906,244,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,977,470,041.64 : 106,229,137,472.08 = 42,685,592,413.40 : x
  2. Step 2: Convert to fraction form
    76,977,470,041.64/106,229,137,472.08 = 42,685,592,413.40/x
  3. Step 3: Cross multiply
    76,977,470,041.64x = 106,229,137,472.08 × 42,685,592,413.40
  4. Step 4: Simplify right side
    76,977,470,041.64x = 4,534,453,664,560,244,064,256
  5. Step 5: Solve for x
    x = 4,534,453,664,560,244,064,256/76,977,470,041.64
  6. Step 6: Final answer
    x = 58,906,244,412.91

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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.