Home / 883,117,651.05-1,218,710,531.63-486,654,828.91

Finding the Fourth Proportional to 883,117,651.05, 1,218,710,531.63 and 486,654,828.91

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Solution

The fourth proportional to 883,117,651.05, 1,218,710,531.63 and 486,654,828.91 is: 671,588,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,117,651.05 : 1,218,710,531.63 = 486,654,828.91 : x
  2. Step 2: Convert to fraction form
    883,117,651.05/1,218,710,531.63 = 486,654,828.91/x
  3. Step 3: Cross multiply
    883,117,651.05x = 1,218,710,531.63 × 486,654,828.91
  4. Step 4: Simplify right side
    883,117,651.05x = 593,091,365,259,382,656
  5. Step 5: Solve for x
    x = 593,091,365,259,382,656/883,117,651.05
  6. Step 6: Final answer
    x = 671,588,167.84

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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.