Home / 69,478,482,253.46-103,749,854,200.72-56,740,824,996.93

Finding the Fourth Proportional to 69,478,482,253.46, 103,749,854,200.72 and 56,740,824,996.93

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Solution

The fourth proportional to 69,478,482,253.46, 103,749,854,200.72 and 56,740,824,996.93 is: 84,729,143,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,478,482,253.46 : 103,749,854,200.72 = 56,740,824,996.93 : x
  2. Step 2: Convert to fraction form
    69,478,482,253.46/103,749,854,200.72 = 56,740,824,996.93/x
  3. Step 3: Cross multiply
    69,478,482,253.46x = 103,749,854,200.72 × 56,740,824,996.93
  4. Step 4: Simplify right side
    69,478,482,253.46x = 5,886,852,320,660,056,702,976
  5. Step 5: Solve for x
    x = 5,886,852,320,660,056,702,976/69,478,482,253.46
  6. Step 6: Final answer
    x = 84,729,143,897.89

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Double scale
Find fourth proportional to 69,478,482,254.46, 103,749,854,202.21 and 56,740,824,997.93
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.