Home / 918,596,830,965.52-1,267,659,206,880.20-507,061,709,862.48

Finding the Fourth Proportional to 918,596,830,965.52, 1,267,659,206,880.20 and 507,061,709,862.48

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Solution

The fourth proportional to 918,596,830,965.52, 1,267,659,206,880.20 and 507,061,709,862.48 is: 699,742,719,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,596,830,965.52 : 1,267,659,206,880.20 = 507,061,709,862.48 : x
  2. Step 2: Convert to fraction form
    918,596,830,965.52/1,267,659,206,880.20 = 507,061,709,862.48/x
  3. Step 3: Cross multiply
    918,596,830,965.52x = 1,267,659,206,880.20 × 507,061,709,862.48
  4. Step 4: Simplify right side
    918,596,830,965.52x = 642,781,444,963,589,441,978,368
  5. Step 5: Solve for x
    x = 642,781,444,963,589,441,978,368/918,596,830,965.52
  6. Step 6: Final answer
    x = 699,742,719,869.80

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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.