Home / 989,739,266.20-1,484,608,899.30-343,507,010.20

Finding the Fourth Proportional to 989,739,266.20, 1,484,608,899.30 and 343,507,010.20

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Solution

The fourth proportional to 989,739,266.20, 1,484,608,899.30 and 343,507,010.20 is: 515,260,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,739,266.20 : 1,484,608,899.30 = 343,507,010.20 : x
  2. Step 2: Convert to fraction form
    989,739,266.20/1,484,608,899.30 = 343,507,010.20/x
  3. Step 3: Cross multiply
    989,739,266.20x = 1,484,608,899.30 × 343,507,010.20
  4. Step 4: Simplify right side
    989,739,266.20x = 509,973,564,314,855,808
  5. Step 5: Solve for x
    x = 509,973,564,314,855,808/989,739,266.20
  6. Step 6: Final answer
    x = 515,260,515.30

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1.5x scale

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.