Home / 382,898,411,708.86-528,398,525,319.24-209,283,450,598.90

Finding the Fourth Proportional to 382,898,411,708.86, 528,398,525,319.24 and 209,283,450,598.90

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Solution

The fourth proportional to 382,898,411,708.86, 528,398,525,319.24 and 209,283,450,598.90 is: 288,810,460,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,898,411,708.86 : 528,398,525,319.24 = 209,283,450,598.90 : x
  2. Step 2: Convert to fraction form
    382,898,411,708.86/528,398,525,319.24 = 209,283,450,598.90/x
  3. Step 3: Cross multiply
    382,898,411,708.86x = 528,398,525,319.24 × 209,283,450,598.90
  4. Step 4: Simplify right side
    382,898,411,708.86x = 110,585,066,670,180,767,105,024
  5. Step 5: Solve for x
    x = 110,585,066,670,180,767,105,024/382,898,411,708.86
  6. Step 6: Final answer
    x = 288,810,460,656.25

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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.