Home / 983,029,358.40-1,473,552,014.40-490,985,851.20

Finding the Fourth Proportional to 983,029,358.40, 1,473,552,014.40 and 490,985,851.20

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Solution

The fourth proportional to 983,029,358.40, 1,473,552,014.40 and 490,985,851.20 is: 735,983,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,029,358.40 : 1,473,552,014.40 = 490,985,851.20 : x
  2. Step 2: Convert to fraction form
    983,029,358.40/1,473,552,014.40 = 490,985,851.20/x
  3. Step 3: Cross multiply
    983,029,358.40x = 1,473,552,014.40 × 490,985,851.20
  4. Step 4: Simplify right side
    983,029,358.40x = 723,493,190,077,658,624
  5. Step 5: Solve for x
    x = 723,493,190,077,658,624/983,029,358.40
  6. Step 6: Final answer
    x = 735,983,298.87

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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.