Home / 929,151,294.59-1,282,255,218.67-505,792,258.63

Finding the Fourth Proportional to 929,151,294.59, 1,282,255,218.67 and 505,792,258.63

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Solution

The fourth proportional to 929,151,294.59, 1,282,255,218.67 and 505,792,258.63 is: 698,007,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,151,294.59 : 1,282,255,218.67 = 505,792,258.63 : x
  2. Step 2: Convert to fraction form
    929,151,294.59/1,282,255,218.67 = 505,792,258.63/x
  3. Step 3: Cross multiply
    929,151,294.59x = 1,282,255,218.67 × 505,792,258.63
  4. Step 4: Simplify right side
    929,151,294.59x = 648,554,763,191,203,840
  5. Step 5: Solve for x
    x = 648,554,763,191,203,840/929,151,294.59
  6. Step 6: Final answer
    x = 698,007,705.49

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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.