Home / 489,402,376,953.48-675,344,849,527.80-269,658,771,996.43

Finding the Fourth Proportional to 489,402,376,953.48, 675,344,849,527.80 and 269,658,771,996.43

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Solution

The fourth proportional to 489,402,376,953.48, 675,344,849,527.80 and 269,658,771,996.43 is: 372,112,338,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,402,376,953.48 : 675,344,849,527.80 = 269,658,771,996.43 : x
  2. Step 2: Convert to fraction form
    489,402,376,953.48/675,344,849,527.80 = 269,658,771,996.43/x
  3. Step 3: Cross multiply
    489,402,376,953.48x = 675,344,849,527.80 × 269,658,771,996.43
  4. Step 4: Simplify right side
    489,402,376,953.48x = 182,112,662,797,780,363,771,904
  5. Step 5: Solve for x
    x = 182,112,662,797,780,363,771,904/489,402,376,953.48
  6. Step 6: Final answer
    x = 372,112,338,177.49

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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.