Home / 1,558,332,549-2,150,566,516.98-862,971,525

Finding the Fourth Proportional to 1,558,332,549, 2,150,566,516.98 and 862,971,525

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Solution

The fourth proportional to 1,558,332,549, 2,150,566,516.98 and 862,971,525 is: 1,190,938,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,332,549 : 2,150,566,516.98 = 862,971,525 : x
  2. Step 2: Convert to fraction form
    1,558,332,549/2,150,566,516.98 = 862,971,525/x
  3. Step 3: Cross multiply
    1,558,332,549x = 2,150,566,516.98 × 862,971,525
  4. Step 4: Simplify right side
    1,558,332,549x = 1,855,877,666,772,168,960
  5. Step 5: Solve for x
    x = 1,855,877,666,772,168,960/1,558,332,549
  6. Step 6: Final answer
    x = 1,190,938,139.59

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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.