Home / 1,075,752,038.85-1,485,223,251.03-877,985,275.74

Finding the Fourth Proportional to 1,075,752,038.85, 1,485,223,251.03 and 877,985,275.74

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Solution

The fourth proportional to 1,075,752,038.85, 1,485,223,251.03 and 877,985,275.74 is: 1,212,179,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,752,038.85 : 1,485,223,251.03 = 877,985,275.74 : x
  2. Step 2: Convert to fraction form
    1,075,752,038.85/1,485,223,251.03 = 877,985,275.74/x
  3. Step 3: Cross multiply
    1,075,752,038.85x = 1,485,223,251.03 × 877,985,275.74
  4. Step 4: Simplify right side
    1,075,752,038.85x = 1,304,004,145,591,033,856
  5. Step 5: Solve for x
    x = 1,304,004,145,591,033,856/1,075,752,038.85
  6. Step 6: Final answer
    x = 1,212,179,106.80

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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.