Home / 1,179,666,888,075.10-1,627,943,135,340.60-638,349,418,470

Finding the Fourth Proportional to 1,179,666,888,075.10, 1,627,943,135,340.60 and 638,349,418,470

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Solution

The fourth proportional to 1,179,666,888,075.10, 1,627,943,135,340.60 and 638,349,418,470 is: 880,923,728,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,666,888,075.10 : 1,627,943,135,340.60 = 638,349,418,470 : x
  2. Step 2: Convert to fraction form
    1,179,666,888,075.10/1,627,943,135,340.60 = 638,349,418,470/x
  3. Step 3: Cross multiply
    1,179,666,888,075.10x = 1,627,943,135,340.60 × 638,349,418,470
  4. Step 4: Simplify right side
    1,179,666,888,075.10x = 1,039,196,553,746,900,639,023,104
  5. Step 5: Solve for x
    x = 1,039,196,553,746,900,639,023,104/1,179,666,888,075.10
  6. Step 6: Final answer
    x = 880,923,728,767.70

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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.