Home / 1,298,631,477.17-1,792,063,426.99-703,903,192.52

Finding the Fourth Proportional to 1,298,631,477.17, 1,792,063,426.99 and 703,903,192.52

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Solution

The fourth proportional to 1,298,631,477.17, 1,792,063,426.99 and 703,903,192.52 is: 971,360,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,477.17 : 1,792,063,426.99 = 703,903,192.52 : x
  2. Step 2: Convert to fraction form
    1,298,631,477.17/1,792,063,426.99 = 703,903,192.52/x
  3. Step 3: Cross multiply
    1,298,631,477.17x = 1,792,063,426.99 × 703,903,192.52
  4. Step 4: Simplify right side
    1,298,631,477.17x = 1,261,439,167,457,245,696
  5. Step 5: Solve for x
    x = 1,261,439,167,457,245,696/1,298,631,477.17
  6. Step 6: Final answer
    x = 971,360,381.78

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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.