Home / 986,209,482.34-1,360,590,432.51-562,846,666.78

Finding the Fourth Proportional to 986,209,482.34, 1,360,590,432.51 and 562,846,666.78

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Solution

The fourth proportional to 986,209,482.34, 1,360,590,432.51 and 562,846,666.78 is: 776,512,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,209,482.34 : 1,360,590,432.51 = 562,846,666.78 : x
  2. Step 2: Convert to fraction form
    986,209,482.34/1,360,590,432.51 = 562,846,666.78/x
  3. Step 3: Cross multiply
    986,209,482.34x = 1,360,590,432.51 × 562,846,666.78
  4. Step 4: Simplify right side
    986,209,482.34x = 765,803,789,791,011,968
  5. Step 5: Solve for x
    x = 765,803,789,791,011,968/986,209,482.34
  6. Step 6: Final answer
    x = 776,512,296.33

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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.