Home / 717,137,886,551.80-1,075,895,504,335.10-257,718,969,602.90

Finding the Fourth Proportional to 717,137,886,551.80, 1,075,895,504,335.10 and 257,718,969,602.90

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Solution

The fourth proportional to 717,137,886,551.80, 1,075,895,504,335.10 and 257,718,969,602.90 is: 386,646,258,658.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,137,886,551.80 : 1,075,895,504,335.10 = 257,718,969,602.90 : x
  2. Step 2: Convert to fraction form
    717,137,886,551.80/1,075,895,504,335.10 = 257,718,969,602.90/x
  3. Step 3: Cross multiply
    717,137,886,551.80x = 1,075,895,504,335.10 × 257,718,969,602.90
  4. Step 4: Simplify right side
    717,137,886,551.80x = 277,278,680,777,634,380,513,280
  5. Step 5: Solve for x
    x = 277,278,680,777,634,380,513,280/717,137,886,551.80
  6. Step 6: Final answer
    x = 386,646,258,658.66

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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.