Home / 1,415,760,897-2,123,648,062.32-433,185,869.15

Finding the Fourth Proportional to 1,415,760,897, 2,123,648,062.32 and 433,185,869.15

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Solution

The fourth proportional to 1,415,760,897, 2,123,648,062.32 and 433,185,869.15 is: 649,780,858.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,760,897 : 2,123,648,062.32 = 433,185,869.15 : x
  2. Step 2: Convert to fraction form
    1,415,760,897/2,123,648,062.32 = 433,185,869.15/x
  3. Step 3: Cross multiply
    1,415,760,897x = 2,123,648,062.32 × 433,185,869.15
  4. Step 4: Simplify right side
    1,415,760,897x = 919,934,331,634,184,192
  5. Step 5: Solve for x
    x = 919,934,331,634,184,192/1,415,760,897
  6. Step 6: Final answer
    x = 649,780,858.89

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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.