Home / 1,906,008,715.80-2,859,013,073.70-525,821,009.40

Finding the Fourth Proportional to 1,906,008,715.80, 2,859,013,073.70 and 525,821,009.40

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Solution

The fourth proportional to 1,906,008,715.80, 2,859,013,073.70 and 525,821,009.40 is: 788,731,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,008,715.80 : 2,859,013,073.70 = 525,821,009.40 : x
  2. Step 2: Convert to fraction form
    1,906,008,715.80/2,859,013,073.70 = 525,821,009.40/x
  3. Step 3: Cross multiply
    1,906,008,715.80x = 2,859,013,073.70 × 525,821,009.40
  4. Step 4: Simplify right side
    1,906,008,715.80x = 1,503,329,140,300,730,368
  5. Step 5: Solve for x
    x = 1,503,329,140,300,730,368/1,906,008,715.80
  6. Step 6: Final answer
    x = 788,731,514.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.