Home / 55,686,863,855.51-76,849,728,363.65-31,276,575,784.79

Finding the Fourth Proportional to 55,686,863,855.51, 76,849,728,363.65 and 31,276,575,784.79

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Solution

The fourth proportional to 55,686,863,855.51, 76,849,728,363.65 and 31,276,575,784.79 is: 43,162,717,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686,863,855.51 : 76,849,728,363.65 = 31,276,575,784.79 : x
  2. Step 2: Convert to fraction form
    55,686,863,855.51/76,849,728,363.65 = 31,276,575,784.79/x
  3. Step 3: Cross multiply
    55,686,863,855.51x = 76,849,728,363.65 × 31,276,575,784.79
  4. Step 4: Simplify right side
    55,686,863,855.51x = 2,403,596,353,206,287,335,424
  5. Step 5: Solve for x
    x = 2,403,596,353,206,287,335,424/55,686,863,855.51
  6. Step 6: Final answer
    x = 43,162,717,143.54

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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.