Home / 942,190,490.20-1,300,232,498.16-518,843,519.32

Finding the Fourth Proportional to 942,190,490.20, 1,300,232,498.16 and 518,843,519.32

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Solution

The fourth proportional to 942,190,490.20, 1,300,232,498.16 and 518,843,519.32 is: 716,009,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,190,490.20 : 1,300,232,498.16 = 518,843,519.32 : x
  2. Step 2: Convert to fraction form
    942,190,490.20/1,300,232,498.16 = 518,843,519.32/x
  3. Step 3: Cross multiply
    942,190,490.20x = 1,300,232,498.16 × 518,843,519.32
  4. Step 4: Simplify right side
    942,190,490.20x = 674,617,205,279,569,920
  5. Step 5: Solve for x
    x = 674,617,205,279,569,920/942,190,490.20
  6. Step 6: Final answer
    x = 716,009,355.11

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1.5x scale

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.