Home / 490,615,108.56-736,249,929.45-254,482,258.20

Finding the Fourth Proportional to 490,615,108.56, 736,249,929.45 and 254,482,258.20

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Solution

The fourth proportional to 490,615,108.56, 736,249,929.45 and 254,482,258.20 is: 381,893,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,615,108.56 : 736,249,929.45 = 254,482,258.20 : x
  2. Step 2: Convert to fraction form
    490,615,108.56/736,249,929.45 = 254,482,258.20/x
  3. Step 3: Cross multiply
    490,615,108.56x = 736,249,929.45 × 254,482,258.20
  4. Step 4: Simplify right side
    490,615,108.56x = 187,362,544,646,026,688
  5. Step 5: Solve for x
    x = 187,362,544,646,026,688/490,615,108.56
  6. Step 6: Final answer
    x = 381,893,140.62

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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.