Home / 775,807,202.03-1,070,636,615.12-423,405,809.69

Finding the Fourth Proportional to 775,807,202.03, 1,070,636,615.12 and 423,405,809.69

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Solution

The fourth proportional to 775,807,202.03, 1,070,636,615.12 and 423,405,809.69 is: 584,312,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,807,202.03 : 1,070,636,615.12 = 423,405,809.69 : x
  2. Step 2: Convert to fraction form
    775,807,202.03/1,070,636,615.12 = 423,405,809.69/x
  3. Step 3: Cross multiply
    775,807,202.03x = 1,070,636,615.12 × 423,405,809.69
  4. Step 4: Simplify right side
    775,807,202.03x = 453,313,762,904,349,824
  5. Step 5: Solve for x
    x = 453,313,762,904,349,824/775,807,202.03
  6. Step 6: Final answer
    x = 584,312,393.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.