Home / 1,114,507,027,136.70-1,537,995,590,981-645,237,392,413.90

Finding the Fourth Proportional to 1,114,507,027,136.70, 1,537,995,590,981 and 645,237,392,413.90

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Solution

The fourth proportional to 1,114,507,027,136.70, 1,537,995,590,981 and 645,237,392,413.90 is: 890,413,645,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,507,027,136.70 : 1,537,995,590,981 = 645,237,392,413.90 : x
  2. Step 2: Convert to fraction form
    1,114,507,027,136.70/1,537,995,590,981 = 645,237,392,413.90/x
  3. Step 3: Cross multiply
    1,114,507,027,136.70x = 1,537,995,590,981 × 645,237,392,413.90
  4. Step 4: Simplify right side
    1,114,507,027,136.70x = 992,372,264,668,655,574,319,104
  5. Step 5: Solve for x
    x = 992,372,264,668,655,574,319,104/1,114,507,027,136.70
  6. Step 6: Final answer
    x = 890,413,645,231.27

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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.