Home / 893,808,618.98-1,340,905,903.40-272,072,468.84

Finding the Fourth Proportional to 893,808,618.98, 1,340,905,903.40 and 272,072,468.84

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Solution

The fourth proportional to 893,808,618.98, 1,340,905,903.40 and 272,072,468.84 is: 408,167,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,808,618.98 : 1,340,905,903.40 = 272,072,468.84 : x
  2. Step 2: Convert to fraction form
    893,808,618.98/1,340,905,903.40 = 272,072,468.84/x
  3. Step 3: Cross multiply
    893,808,618.98x = 1,340,905,903.40 × 272,072,468.84
  4. Step 4: Simplify right side
    893,808,618.98x = 364,823,579,614,144,128
  5. Step 5: Solve for x
    x = 364,823,579,614,144,128/893,808,618.98
  6. Step 6: Final answer
    x = 408,167,444.20

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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.