Home / 210,707,879,120.93-290,777,088,387.75-114,363,985,446.42

Finding the Fourth Proportional to 210,707,879,120.93, 290,777,088,387.75 and 114,363,985,446.42

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Solution

The fourth proportional to 210,707,879,120.93, 290,777,088,387.75 and 114,363,985,446.42 is: 157,822,416,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,707,879,120.93 : 290,777,088,387.75 = 114,363,985,446.42 : x
  2. Step 2: Convert to fraction form
    210,707,879,120.93/290,777,088,387.75 = 114,363,985,446.42/x
  3. Step 3: Cross multiply
    210,707,879,120.93x = 290,777,088,387.75 × 114,363,985,446.42
  4. Step 4: Simplify right side
    210,707,879,120.93x = 33,254,426,704,529,021,992,960
  5. Step 5: Solve for x
    x = 33,254,426,704,529,021,992,960/210,707,879,120.93
  6. Step 6: Final answer
    x = 157,822,416,718.66

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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.