Home / 985,917,888.06-1,360,609,200.63-545,884,778.94

Finding the Fourth Proportional to 985,917,888.06, 1,360,609,200.63 and 545,884,778.94

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Solution

The fourth proportional to 985,917,888.06, 1,360,609,200.63 and 545,884,778.94 is: 753,344,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,917,888.06 : 1,360,609,200.63 = 545,884,778.94 : x
  2. Step 2: Convert to fraction form
    985,917,888.06/1,360,609,200.63 = 545,884,778.94/x
  3. Step 3: Cross multiply
    985,917,888.06x = 1,360,609,200.63 × 545,884,778.94
  4. Step 4: Simplify right side
    985,917,888.06x = 742,735,852,709,637,760
  5. Step 5: Solve for x
    x = 742,735,852,709,637,760/985,917,888.06
  6. Step 6: Final answer
    x = 753,344,534.78

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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.