Home / 1,084,569,983.54-1,496,870,182.65-661,429,130.66

Finding the Fourth Proportional to 1,084,569,983.54, 1,496,870,182.65 and 661,429,130.66

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Solution

The fourth proportional to 1,084,569,983.54, 1,496,870,182.65 and 661,429,130.66 is: 912,871,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,569,983.54 : 1,496,870,182.65 = 661,429,130.66 : x
  2. Step 2: Convert to fraction form
    1,084,569,983.54/1,496,870,182.65 = 661,429,130.66/x
  3. Step 3: Cross multiply
    1,084,569,983.54x = 1,496,870,182.65 × 661,429,130.66
  4. Step 4: Simplify right side
    1,084,569,983.54x = 990,073,543,621,064,960
  5. Step 5: Solve for x
    x = 990,073,543,621,064,960/1,084,569,983.54
  6. Step 6: Final answer
    x = 912,871,975.66

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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.