Home / 943,881,391.11-1,302,561,886.23-547,640,315.58

Finding the Fourth Proportional to 943,881,391.11, 1,302,561,886.23 and 547,640,315.58

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Solution

The fourth proportional to 943,881,391.11, 1,302,561,886.23 and 547,640,315.58 is: 755,746,865.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,881,391.11 : 1,302,561,886.23 = 547,640,315.58 : x
  2. Step 2: Convert to fraction form
    943,881,391.11/1,302,561,886.23 = 547,640,315.58/x
  3. Step 3: Cross multiply
    943,881,391.11x = 1,302,561,886.23 × 547,640,315.58
  4. Step 4: Simplify right side
    943,881,391.11x = 713,335,402,437,477,376
  5. Step 5: Solve for x
    x = 713,335,402,437,477,376/943,881,391.11
  6. Step 6: Final answer
    x = 755,746,865.18

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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.