Home / 1,343,596,009.80-2,015,250,741.90-470,214,060.60

Finding the Fourth Proportional to 1,343,596,009.80, 2,015,250,741.90 and 470,214,060.60

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Solution

The fourth proportional to 1,343,596,009.80, 2,015,250,741.90 and 470,214,060.60 is: 705,270,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,596,009.80 : 2,015,250,741.90 = 470,214,060.60 : x
  2. Step 2: Convert to fraction form
    1,343,596,009.80/2,015,250,741.90 = 470,214,060.60/x
  3. Step 3: Cross multiply
    1,343,596,009.80x = 2,015,250,741.90 × 470,214,060.60
  4. Step 4: Simplify right side
    1,343,596,009.80x = 947,599,234,475,961,600
  5. Step 5: Solve for x
    x = 947,599,234,475,961,600/1,343,596,009.80
  6. Step 6: Final answer
    x = 705,270,950.17

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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.