Home / 455,638,592,040.40-628,723,464,867.86-249,818,670,293.94

Finding the Fourth Proportional to 455,638,592,040.40, 628,723,464,867.86 and 249,818,670,293.94

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Solution

The fourth proportional to 455,638,592,040.40, 628,723,464,867.86 and 249,818,670,293.94 is: 344,718,078,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,638,592,040.40 : 628,723,464,867.86 = 249,818,670,293.94 : x
  2. Step 2: Convert to fraction form
    455,638,592,040.40/628,723,464,867.86 = 249,818,670,293.94/x
  3. Step 3: Cross multiply
    455,638,592,040.40x = 628,723,464,867.86 × 249,818,670,293.94
  4. Step 4: Simplify right side
    455,638,592,040.40x = 157,066,859,975,887,470,723,072
  5. Step 5: Solve for x
    x = 157,066,859,975,887,470,723,072/455,638,592,040.40
  6. Step 6: Final answer
    x = 344,718,078,581.81

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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.