Home / 270,066,711,779.34-405,137,319,867.09-156,799,780,549.26

Finding the Fourth Proportional to 270,066,711,779.34, 405,137,319,867.09 and 156,799,780,549.26

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Solution

The fourth proportional to 270,066,711,779.34, 405,137,319,867.09 and 156,799,780,549.26 is: 235,221,299,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,066,711,779.34 : 405,137,319,867.09 = 156,799,780,549.26 : x
  2. Step 2: Convert to fraction form
    270,066,711,779.34/405,137,319,867.09 = 156,799,780,549.26/x
  3. Step 3: Cross multiply
    270,066,711,779.34x = 405,137,319,867.09 × 156,799,780,549.26
  4. Step 4: Simplify right side
    270,066,711,779.34x = 63,525,442,847,475,075,383,296
  5. Step 5: Solve for x
    x = 63,525,442,847,475,075,383,296/270,066,711,779.34
  6. Step 6: Final answer
    x = 235,221,299,318.74

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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.