Home / 1,413,697,510.80-2,120,546,266.20-444,349,126.80

Finding the Fourth Proportional to 1,413,697,510.80, 2,120,546,266.20 and 444,349,126.80

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Solution

The fourth proportional to 1,413,697,510.80, 2,120,546,266.20 and 444,349,126.80 is: 666,523,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,697,510.80 : 2,120,546,266.20 = 444,349,126.80 : x
  2. Step 2: Convert to fraction form
    1,413,697,510.80/2,120,546,266.20 = 444,349,126.80/x
  3. Step 3: Cross multiply
    1,413,697,510.80x = 2,120,546,266.20 × 444,349,126.80
  4. Step 4: Simplify right side
    1,413,697,510.80x = 942,262,881,724,970,368
  5. Step 5: Solve for x
    x = 942,262,881,724,970,368/1,413,697,510.80
  6. Step 6: Final answer
    x = 666,523,690.20

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Double scale
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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.