Home / 875,851,574.12-1,208,545,156.59-531,954,776.24

Finding the Fourth Proportional to 875,851,574.12, 1,208,545,156.59 and 531,954,776.24

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Solution

The fourth proportional to 875,851,574.12, 1,208,545,156.59 and 531,954,776.24 is: 734,018,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,851,574.12 : 1,208,545,156.59 = 531,954,776.24 : x
  2. Step 2: Convert to fraction form
    875,851,574.12/1,208,545,156.59 = 531,954,776.24/x
  3. Step 3: Cross multiply
    875,851,574.12x = 1,208,545,156.59 × 531,954,776.24
  4. Step 4: Simplify right side
    875,851,574.12x = 642,891,368,346,290,176
  5. Step 5: Solve for x
    x = 642,891,368,346,290,176/875,851,574.12
  6. Step 6: Final answer
    x = 734,018,625.24

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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.