Home / 283,123,442,406.54-390,803,460,897.51-225,357,782,667.06

Finding the Fourth Proportional to 283,123,442,406.54, 390,803,460,897.51 and 225,357,782,667.06

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Solution

The fourth proportional to 283,123,442,406.54, 390,803,460,897.51 and 225,357,782,667.06 is: 311,067,853,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,123,442,406.54 : 390,803,460,897.51 = 225,357,782,667.06 : x
  2. Step 2: Convert to fraction form
    283,123,442,406.54/390,803,460,897.51 = 225,357,782,667.06/x
  3. Step 3: Cross multiply
    283,123,442,406.54x = 390,803,460,897.51 × 225,357,782,667.06
  4. Step 4: Simplify right side
    283,123,442,406.54x = 88,070,601,406,475,933,843,456
  5. Step 5: Solve for x
    x = 88,070,601,406,475,933,843,456/283,123,442,406.54
  6. Step 6: Final answer
    x = 311,067,853,152.25

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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.