Home / 654,264,672,030.55-981,397,008,045.80-430,926,804,356.95

Finding the Fourth Proportional to 654,264,672,030.55, 981,397,008,045.80 and 430,926,804,356.95

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Solution

The fourth proportional to 654,264,672,030.55, 981,397,008,045.80 and 430,926,804,356.95 is: 646,390,206,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,264,672,030.55 : 981,397,008,045.80 = 430,926,804,356.95 : x
  2. Step 2: Convert to fraction form
    654,264,672,030.55/981,397,008,045.80 = 430,926,804,356.95/x
  3. Step 3: Cross multiply
    654,264,672,030.55x = 981,397,008,045.80 × 430,926,804,356.95
  4. Step 4: Simplify right side
    654,264,672,030.55x = 422,910,276,482,648,573,476,864
  5. Step 5: Solve for x
    x = 422,910,276,482,648,573,476,864/654,264,672,030.55
  6. Step 6: Final answer
    x = 646,390,206,535.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.