Home / 1,298,631,505.14-1,792,063,465.52-703,903,220.49

Finding the Fourth Proportional to 1,298,631,505.14, 1,792,063,465.52 and 703,903,220.49

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Solution

The fourth proportional to 1,298,631,505.14, 1,792,063,465.52 and 703,903,220.49 is: 971,360,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,505.14 : 1,792,063,465.52 = 703,903,220.49 : x
  2. Step 2: Convert to fraction form
    1,298,631,505.14/1,792,063,465.52 = 703,903,220.49/x
  3. Step 3: Cross multiply
    1,298,631,505.14x = 1,792,063,465.52 × 703,903,220.49
  4. Step 4: Simplify right side
    1,298,631,505.14x = 1,261,439,244,698,478,592
  5. Step 5: Solve for x
    x = 1,261,439,244,698,478,592/1,298,631,505.14
  6. Step 6: Final answer
    x = 971,360,420.34

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Double scale
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1.5x scale

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.