Home / 810,225,424.08-1,118,112,219.80-438,947,455.46

Finding the Fourth Proportional to 810,225,424.08, 1,118,112,219.80 and 438,947,455.46

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Solution

The fourth proportional to 810,225,424.08, 1,118,112,219.80 and 438,947,455.46 is: 605,748,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,225,424.08 : 1,118,112,219.80 = 438,947,455.46 : x
  2. Step 2: Convert to fraction form
    810,225,424.08/1,118,112,219.80 = 438,947,455.46/x
  3. Step 3: Cross multiply
    810,225,424.08x = 1,118,112,219.80 × 438,947,455.46
  4. Step 4: Simplify right side
    810,225,424.08x = 490,792,513,792,156,928
  5. Step 5: Solve for x
    x = 490,792,513,792,156,928/810,225,424.08
  6. Step 6: Final answer
    x = 605,748,103.19

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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.