Home / 1,023,689,090.77-1,535,577,336.06-402,039,047.68

Finding the Fourth Proportional to 1,023,689,090.77, 1,535,577,336.06 and 402,039,047.68

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Solution

The fourth proportional to 1,023,689,090.77, 1,535,577,336.06 and 402,039,047.68 is: 603,075,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,689,090.77 : 1,535,577,336.06 = 402,039,047.68 : x
  2. Step 2: Convert to fraction form
    1,023,689,090.77/1,535,577,336.06 = 402,039,047.68/x
  3. Step 3: Cross multiply
    1,023,689,090.77x = 1,535,577,336.06 × 402,039,047.68
  4. Step 4: Simplify right side
    1,023,689,090.77x = 617,362,049,828,553,728
  5. Step 5: Solve for x
    x = 617,362,049,828,553,728/1,023,689,090.77
  6. Step 6: Final answer
    x = 603,075,734.02

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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.