Home / 1,435,444,461.80-2,153,166,692.70-515,201,226.20

Finding the Fourth Proportional to 1,435,444,461.80, 2,153,166,692.70 and 515,201,226.20

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Solution

The fourth proportional to 1,435,444,461.80, 2,153,166,692.70 and 515,201,226.20 is: 772,801,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,444,461.80 : 2,153,166,692.70 = 515,201,226.20 : x
  2. Step 2: Convert to fraction form
    1,435,444,461.80/2,153,166,692.70 = 515,201,226.20/x
  3. Step 3: Cross multiply
    1,435,444,461.80x = 2,153,166,692.70 × 515,201,226.20
  4. Step 4: Simplify right side
    1,435,444,461.80x = 1,109,314,120,292,038,528
  5. Step 5: Solve for x
    x = 1,109,314,120,292,038,528/1,435,444,461.80
  6. Step 6: Final answer
    x = 772,801,839.30

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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.