Home / 539,135,968.80-808,703,953.20-194,142,842.40

Finding the Fourth Proportional to 539,135,968.80, 808,703,953.20 and 194,142,842.40

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Solution

The fourth proportional to 539,135,968.80, 808,703,953.20 and 194,142,842.40 is: 291,214,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,135,968.80 : 808,703,953.20 = 194,142,842.40 : x
  2. Step 2: Convert to fraction form
    539,135,968.80/808,703,953.20 = 194,142,842.40/x
  3. Step 3: Cross multiply
    539,135,968.80x = 808,703,953.20 × 194,142,842.40
  4. Step 4: Simplify right side
    539,135,968.80x = 157,004,084,134,364,576
  5. Step 5: Solve for x
    x = 157,004,084,134,364,576/539,135,968.80
  6. Step 6: Final answer
    x = 291,214,263.60

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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.