Home / 20,685,729,018.48-31,032,951,312.60-6,710,259,675.12

Finding the Fourth Proportional to 20,685,729,018.48, 31,032,951,312.60 and 6,710,259,675.12

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Solution

The fourth proportional to 20,685,729,018.48, 31,032,951,312.60 and 6,710,259,675.12 is: 10,066,803,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,685,729,018.48 : 31,032,951,312.60 = 6,710,259,675.12 : x
  2. Step 2: Convert to fraction form
    20,685,729,018.48/31,032,951,312.60 = 6,710,259,675.12/x
  3. Step 3: Cross multiply
    20,685,729,018.48x = 31,032,951,312.60 × 6,710,259,675.12
  4. Step 4: Simplify right side
    20,685,729,018.48x = 208,239,161,792,902,037,504
  5. Step 5: Solve for x
    x = 208,239,161,792,902,037,504/20,685,729,018.48
  6. Step 6: Final answer
    x = 10,066,803,137.90

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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.