Home / 1,023,689,100.32-1,535,577,350.36-402,039,057.20

Finding the Fourth Proportional to 1,023,689,100.32, 1,535,577,350.36 and 402,039,057.20

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Solution

The fourth proportional to 1,023,689,100.32, 1,535,577,350.36 and 402,039,057.20 is: 603,075,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,689,100.32 : 1,535,577,350.36 = 402,039,057.20 : x
  2. Step 2: Convert to fraction form
    1,023,689,100.32/1,535,577,350.36 = 402,039,057.20/x
  3. Step 3: Cross multiply
    1,023,689,100.32x = 1,535,577,350.36 × 402,039,057.20
  4. Step 4: Simplify right side
    1,023,689,100.32x = 617,362,070,196,408,448
  5. Step 5: Solve for x
    x = 617,362,070,196,408,448/1,023,689,100.32
  6. Step 6: Final answer
    x = 603,075,748.29

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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.