Home / 1,190,569,143.69-1,643,077,348.74-714,277,372.77

Finding the Fourth Proportional to 1,190,569,143.69, 1,643,077,348.74 and 714,277,372.77

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Solution

The fourth proportional to 1,190,569,143.69, 1,643,077,348.74 and 714,277,372.77 is: 985,757,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,569,143.69 : 1,643,077,348.74 = 714,277,372.77 : x
  2. Step 2: Convert to fraction form
    1,190,569,143.69/1,643,077,348.74 = 714,277,372.77/x
  3. Step 3: Cross multiply
    1,190,569,143.69x = 1,643,077,348.74 × 714,277,372.77
  4. Step 4: Simplify right side
    1,190,569,143.69x = 1,173,612,971,915,904,256
  5. Step 5: Solve for x
    x = 1,173,612,971,915,904,256/1,190,569,143.69
  6. Step 6: Final answer
    x = 985,757,927.74

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Half scale
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Double scale
Find fourth proportional to 1,190,569,144.69, 1,643,077,350.12 and 714,277,373.77
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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.