Home / 1,456,346,176.09-2,009,636,200.13-821,231,075.32

Finding the Fourth Proportional to 1,456,346,176.09, 2,009,636,200.13 and 821,231,075.32

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Solution

The fourth proportional to 1,456,346,176.09, 2,009,636,200.13 and 821,231,075.32 is: 1,133,230,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,346,176.09 : 2,009,636,200.13 = 821,231,075.32 : x
  2. Step 2: Convert to fraction form
    1,456,346,176.09/2,009,636,200.13 = 821,231,075.32/x
  3. Step 3: Cross multiply
    1,456,346,176.09x = 2,009,636,200.13 × 821,231,075.32
  4. Step 4: Simplify right side
    1,456,346,176.09x = 1,650,375,697,625,628,416
  5. Step 5: Solve for x
    x = 1,650,375,697,625,628,416/1,456,346,176.09
  6. Step 6: Final answer
    x = 1,133,230,357.40

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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.