Home / 931,039,261.16-1,394,978,461.62-561,798,319

Finding the Fourth Proportional to 931,039,261.16, 1,394,978,461.62 and 561,798,319

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Solution

The fourth proportional to 931,039,261.16, 1,394,978,461.62 and 561,798,319 is: 841,743,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,039,261.16 : 1,394,978,461.62 = 561,798,319 : x
  2. Step 2: Convert to fraction form
    931,039,261.16/1,394,978,461.62 = 561,798,319/x
  3. Step 3: Cross multiply
    931,039,261.16x = 1,394,978,461.62 × 561,798,319
  4. Step 4: Simplify right side
    931,039,261.16x = 783,696,554,779,321,984
  5. Step 5: Solve for x
    x = 783,696,554,779,321,984/931,039,261.16
  6. Step 6: Final answer
    x = 841,743,831.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.