Home / 1,111,137,004.80-1,532,484,385.92-714,705,534.72

Finding the Fourth Proportional to 1,111,137,004.80, 1,532,484,385.92 and 714,705,534.72

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Solution

The fourth proportional to 1,111,137,004.80, 1,532,484,385.92 and 714,705,534.72 is: 985,724,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,137,004.80 : 1,532,484,385.92 = 714,705,534.72 : x
  2. Step 2: Convert to fraction form
    1,111,137,004.80/1,532,484,385.92 = 714,705,534.72/x
  3. Step 3: Cross multiply
    1,111,137,004.80x = 1,532,484,385.92 × 714,705,534.72
  4. Step 4: Simplify right side
    1,111,137,004.80x = 1,095,275,072,489,004,544
  5. Step 5: Solve for x
    x = 1,095,275,072,489,004,544/1,111,137,004.80
  6. Step 6: Final answer
    x = 985,724,593.60

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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.