Home / 1,164,920,905.51-1,747,387,890.54-388,564,434.92

Finding the Fourth Proportional to 1,164,920,905.51, 1,747,387,890.54 and 388,564,434.92

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Solution

The fourth proportional to 1,164,920,905.51, 1,747,387,890.54 and 388,564,434.92 is: 582,848,831.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,920,905.51 : 1,747,387,890.54 = 388,564,434.92 : x
  2. Step 2: Convert to fraction form
    1,164,920,905.51/1,747,387,890.54 = 388,564,434.92/x
  3. Step 3: Cross multiply
    1,164,920,905.51x = 1,747,387,890.54 × 388,564,434.92
  4. Step 4: Simplify right side
    1,164,920,905.51x = 678,972,788,278,094,336
  5. Step 5: Solve for x
    x = 678,972,788,278,094,336/1,164,920,905.51
  6. Step 6: Final answer
    x = 582,848,831.25

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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.