Home / 152,957,169,284.69-211,081,549,845.90-83,434,325,220.34

Finding the Fourth Proportional to 152,957,169,284.69, 211,081,549,845.90 and 83,434,325,220.34

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Solution

The fourth proportional to 152,957,169,284.69, 211,081,549,845.90 and 83,434,325,220.34 is: 115,139,726,762.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,957,169,284.69 : 211,081,549,845.90 = 83,434,325,220.34 : x
  2. Step 2: Convert to fraction form
    152,957,169,284.69/211,081,549,845.90 = 83,434,325,220.34/x
  3. Step 3: Cross multiply
    152,957,169,284.69x = 211,081,549,845.90 × 83,434,325,220.34
  4. Step 4: Simplify right side
    152,957,169,284.69x = 17,611,446,677,855,174,393,856
  5. Step 5: Solve for x
    x = 17,611,446,677,855,174,393,856/152,957,169,284.69
  6. Step 6: Final answer
    x = 115,139,726,762.83

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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.