Home / 1,164,920,901.35-1,747,387,884.32-388,564,430.77

Finding the Fourth Proportional to 1,164,920,901.35, 1,747,387,884.32 and 388,564,430.77

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Solution

The fourth proportional to 1,164,920,901.35, 1,747,387,884.32 and 388,564,430.77 is: 582,848,825.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,920,901.35 : 1,747,387,884.32 = 388,564,430.77 : x
  2. Step 2: Convert to fraction form
    1,164,920,901.35/1,747,387,884.32 = 388,564,430.77/x
  3. Step 3: Cross multiply
    1,164,920,901.35x = 1,747,387,884.32 × 388,564,430.77
  4. Step 4: Simplify right side
    1,164,920,901.35x = 678,972,778,596,458,368
  5. Step 5: Solve for x
    x = 678,972,778,596,458,368/1,164,920,901.35
  6. Step 6: Final answer
    x = 582,848,825.02

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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.