Home / 696,403,483.43-961,036,774.79-383,130,971.34

Finding the Fourth Proportional to 696,403,483.43, 961,036,774.79 and 383,130,971.34

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Solution

The fourth proportional to 696,403,483.43, 961,036,774.79 and 383,130,971.34 is: 528,720,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,403,483.43 : 961,036,774.79 = 383,130,971.34 : x
  2. Step 2: Convert to fraction form
    696,403,483.43/961,036,774.79 = 383,130,971.34/x
  3. Step 3: Cross multiply
    696,403,483.43x = 961,036,774.79 × 383,130,971.34
  4. Step 4: Simplify right side
    696,403,483.43x = 368,202,953,016,837,824
  5. Step 5: Solve for x
    x = 368,202,953,016,837,824/696,403,483.43
  6. Step 6: Final answer
    x = 528,720,722.66

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Double scale
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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.