Home / 918,596,830,965.50-1,267,659,206,880.20-507,061,709,862.50

Finding the Fourth Proportional to 918,596,830,965.50, 1,267,659,206,880.20 and 507,061,709,862.50

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Solution

The fourth proportional to 918,596,830,965.50, 1,267,659,206,880.20 and 507,061,709,862.50 is: 699,742,719,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,596,830,965.50 : 1,267,659,206,880.20 = 507,061,709,862.50 : x
  2. Step 2: Convert to fraction form
    918,596,830,965.50/1,267,659,206,880.20 = 507,061,709,862.50/x
  3. Step 3: Cross multiply
    918,596,830,965.50x = 1,267,659,206,880.20 × 507,061,709,862.50
  4. Step 4: Simplify right side
    918,596,830,965.50x = 642,781,444,963,614,809,128,960
  5. Step 5: Solve for x
    x = 642,781,444,963,614,809,128,960/918,596,830,965.50
  6. Step 6: Final answer
    x = 699,742,719,869.84

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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.