Home / 991,410,118,079.70-1,487,794,470,432.40-346,015,745,014.20

Finding the Fourth Proportional to 991,410,118,079.70, 1,487,794,470,432.40 and 346,015,745,014.20

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Solution

The fourth proportional to 991,410,118,079.70, 1,487,794,470,432.40 and 346,015,745,014.20 is: 519,260,700,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,410,118,079.70 : 1,487,794,470,432.40 = 346,015,745,014.20 : x
  2. Step 2: Convert to fraction form
    991,410,118,079.70/1,487,794,470,432.40 = 346,015,745,014.20/x
  3. Step 3: Cross multiply
    991,410,118,079.70x = 1,487,794,470,432.40 × 346,015,745,014.20
  4. Step 4: Simplify right side
    991,410,118,079.70x = 514,800,312,114,674,021,695,488
  5. Step 5: Solve for x
    x = 514,800,312,114,674,021,695,488/991,410,118,079.70
  6. Step 6: Final answer
    x = 519,260,700,215.38

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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.