Home / 972,104,127.84-1,341,507,782.16-526,067,509.68

Finding the Fourth Proportional to 972,104,127.84, 1,341,507,782.16 and 526,067,509.68

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Solution

The fourth proportional to 972,104,127.84, 1,341,507,782.16 and 526,067,509.68 is: 725,975,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,104,127.84 : 1,341,507,782.16 = 526,067,509.68 : x
  2. Step 2: Convert to fraction form
    972,104,127.84/1,341,507,782.16 = 526,067,509.68/x
  3. Step 3: Cross multiply
    972,104,127.84x = 1,341,507,782.16 × 526,067,509.68
  4. Step 4: Simplify right side
    972,104,127.84x = 705,723,658,177,251,200
  5. Step 5: Solve for x
    x = 705,723,658,177,251,200/972,104,127.84
  6. Step 6: Final answer
    x = 725,975,374.41

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1.5x scale

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.