Home / 1,269,595,887.80-1,904,393,831.70-349,614,217.40

Finding the Fourth Proportional to 1,269,595,887.80, 1,904,393,831.70 and 349,614,217.40

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Solution

The fourth proportional to 1,269,595,887.80, 1,904,393,831.70 and 349,614,217.40 is: 524,421,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,595,887.80 : 1,904,393,831.70 = 349,614,217.40 : x
  2. Step 2: Convert to fraction form
    1,269,595,887.80/1,904,393,831.70 = 349,614,217.40/x
  3. Step 3: Cross multiply
    1,269,595,887.80x = 1,904,393,831.70 × 349,614,217.40
  4. Step 4: Simplify right side
    1,269,595,887.80x = 665,803,159,091,182,720
  5. Step 5: Solve for x
    x = 665,803,159,091,182,720/1,269,595,887.80
  6. Step 6: Final answer
    x = 524,421,326.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.