Home / 941,059,447.91-1,298,654,870.94-517,664,015.40

Finding the Fourth Proportional to 941,059,447.91, 1,298,654,870.94 and 517,664,015.40

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Solution

The fourth proportional to 941,059,447.91, 1,298,654,870.94 and 517,664,015.40 is: 714,372,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,059,447.91 : 1,298,654,870.94 = 517,664,015.40 : x
  2. Step 2: Convert to fraction form
    941,059,447.91/1,298,654,870.94 = 517,664,015.40/x
  3. Step 3: Cross multiply
    941,059,447.91x = 1,298,654,870.94 × 517,664,015.40
  4. Step 4: Simplify right side
    941,059,447.91x = 672,266,895,109,569,152
  5. Step 5: Solve for x
    x = 672,266,895,109,569,152/941,059,447.91
  6. Step 6: Final answer
    x = 714,372,398.69

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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.