Home / 1,315,546,780,088.40-1,972,937,349,509.40-509,533,949,543.32

Finding the Fourth Proportional to 1,315,546,780,088.40, 1,972,937,349,509.40 and 509,533,949,543.32

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Solution

The fourth proportional to 1,315,546,780,088.40, 1,972,937,349,509.40 and 509,533,949,543.32 is: 764,152,651,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,546,780,088.40 : 1,972,937,349,509.40 = 509,533,949,543.32 : x
  2. Step 2: Convert to fraction form
    1,315,546,780,088.40/1,972,937,349,509.40 = 509,533,949,543.32/x
  3. Step 3: Cross multiply
    1,315,546,780,088.40x = 1,972,937,349,509.40 × 509,533,949,543.32
  4. Step 4: Simplify right side
    1,315,546,780,088.40x = 1,005,278,559,897,054,013,816,832
  5. Step 5: Solve for x
    x = 1,005,278,559,897,054,013,816,832/1,315,546,780,088.40
  6. Step 6: Final answer
    x = 764,152,651,287.33

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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.