Home / 847,129,623.56-1,266,793,592.80-805,804,771.40

Finding the Fourth Proportional to 847,129,623.56, 1,266,793,592.80 and 805,804,771.40

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Solution

The fourth proportional to 847,129,623.56, 1,266,793,592.80 and 805,804,771.40 is: 1,204,996,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,129,623.56 : 1,266,793,592.80 = 805,804,771.40 : x
  2. Step 2: Convert to fraction form
    847,129,623.56/1,266,793,592.80 = 805,804,771.40/x
  3. Step 3: Cross multiply
    847,129,623.56x = 1,266,793,592.80 × 805,804,771.40
  4. Step 4: Simplify right side
    847,129,623.56x = 1,020,788,321,459,972,352
  5. Step 5: Solve for x
    x = 1,020,788,321,459,972,352/847,129,623.56
  6. Step 6: Final answer
    x = 1,204,996,606.26

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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.