Home / 742,973,388.23-1,025,242,331.51-437,397,918.77

Finding the Fourth Proportional to 742,973,388.23, 1,025,242,331.51 and 437,397,918.77

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Solution

The fourth proportional to 742,973,388.23, 1,025,242,331.51 and 437,397,918.77 is: 603,573,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,973,388.23 : 1,025,242,331.51 = 437,397,918.77 : x
  2. Step 2: Convert to fraction form
    742,973,388.23/1,025,242,331.51 = 437,397,918.77/x
  3. Step 3: Cross multiply
    742,973,388.23x = 1,025,242,331.51 × 437,397,918.77
  4. Step 4: Simplify right side
    742,973,388.23x = 448,438,862,030,063,168
  5. Step 5: Solve for x
    x = 448,438,862,030,063,168/742,973,388.23
  6. Step 6: Final answer
    x = 603,573,249.24

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Half scale
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Double scale
Find fourth proportional to 742,973,389.23, 1,025,242,332.88 and 437,397,919.77
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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.