Home / 25,552,386,091.30-38,294,318,475.87-19,886,815,903.30

Finding the Fourth Proportional to 25,552,386,091.30, 38,294,318,475.87 and 19,886,815,903.30

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Solution

The fourth proportional to 25,552,386,091.30, 38,294,318,475.87 and 19,886,815,903.30 is: 29,803,559,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,552,386,091.30 : 38,294,318,475.87 = 19,886,815,903.30 : x
  2. Step 2: Convert to fraction form
    25,552,386,091.30/38,294,318,475.87 = 19,886,815,903.30/x
  3. Step 3: Cross multiply
    25,552,386,091.30x = 38,294,318,475.87 × 19,886,815,903.30
  4. Step 4: Simplify right side
    25,552,386,091.30x = 761,552,061,671,966,507,008
  5. Step 5: Solve for x
    x = 761,552,061,671,966,507,008/25,552,386,091.30
  6. Step 6: Final answer
    x = 29,803,559,595.21

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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.