Home / 1,225,065,819,135.50-1,690,739,076,324.80-697,243,549,360.77

Finding the Fourth Proportional to 1,225,065,819,135.50, 1,690,739,076,324.80 and 697,243,549,360.77

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Solution

The fourth proportional to 1,225,065,819,135.50, 1,690,739,076,324.80 and 697,243,549,360.77 is: 962,280,471,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,065,819,135.50 : 1,690,739,076,324.80 = 697,243,549,360.77 : x
  2. Step 2: Convert to fraction form
    1,225,065,819,135.50/1,690,739,076,324.80 = 697,243,549,360.77/x
  3. Step 3: Cross multiply
    1,225,065,819,135.50x = 1,690,739,076,324.80 × 697,243,549,360.77
  4. Step 4: Simplify right side
    1,225,065,819,135.50x = 1,178,856,914,619,653,465,047,040
  5. Step 5: Solve for x
    x = 1,178,856,914,619,653,465,047,040/1,225,065,819,135.50
  6. Step 6: Final answer
    x = 962,280,471,959.90

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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.