Home / 384,988,929.80-577,483,394.70-190,930,296.20

Finding the Fourth Proportional to 384,988,929.80, 577,483,394.70 and 190,930,296.20

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Solution

The fourth proportional to 384,988,929.80, 577,483,394.70 and 190,930,296.20 is: 286,395,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,988,929.80 : 577,483,394.70 = 190,930,296.20 : x
  2. Step 2: Convert to fraction form
    384,988,929.80/577,483,394.70 = 190,930,296.20/x
  3. Step 3: Cross multiply
    384,988,929.80x = 577,483,394.70 × 190,930,296.20
  4. Step 4: Simplify right side
    384,988,929.80x = 110,259,075,600,652,512
  5. Step 5: Solve for x
    x = 110,259,075,600,652,512/384,988,929.80
  6. Step 6: Final answer
    x = 286,395,444.30

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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.