Home / 1,075,752,039.85-1,485,223,252.41-877,985,276.74

Finding the Fourth Proportional to 1,075,752,039.85, 1,485,223,252.41 and 877,985,276.74

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Solution

The fourth proportional to 1,075,752,039.85, 1,485,223,252.41 and 877,985,276.74 is: 1,212,179,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,752,039.85 : 1,485,223,252.41 = 877,985,276.74 : x
  2. Step 2: Convert to fraction form
    1,075,752,039.85/1,485,223,252.41 = 877,985,276.74/x
  3. Step 3: Cross multiply
    1,075,752,039.85x = 1,485,223,252.41 × 877,985,276.74
  4. Step 4: Simplify right side
    1,075,752,039.85x = 1,304,004,148,287,876,864
  5. Step 5: Solve for x
    x = 1,304,004,148,287,876,864/1,075,752,039.85
  6. Step 6: Final answer
    x = 1,212,179,108.18

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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.