Home / 804,815,999.40-1,207,223,999.10-417,395,510.40

Finding the Fourth Proportional to 804,815,999.40, 1,207,223,999.10 and 417,395,510.40

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Solution

The fourth proportional to 804,815,999.40, 1,207,223,999.10 and 417,395,510.40 is: 626,093,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,815,999.40 : 1,207,223,999.10 = 417,395,510.40 : x
  2. Step 2: Convert to fraction form
    804,815,999.40/1,207,223,999.10 = 417,395,510.40/x
  3. Step 3: Cross multiply
    804,815,999.40x = 1,207,223,999.10 × 417,395,510.40
  4. Step 4: Simplify right side
    804,815,999.40x = 503,889,877,271,473,600
  5. Step 5: Solve for x
    x = 503,889,877,271,473,600/804,815,999.40
  6. Step 6: Final answer
    x = 626,093,265.60

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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.