Home / 1,029,129,017.60-1,420,196,963.91-559,229,220.74

Finding the Fourth Proportional to 1,029,129,017.60, 1,420,196,963.91 and 559,229,220.74

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Solution

The fourth proportional to 1,029,129,017.60, 1,420,196,963.91 and 559,229,220.74 is: 771,735,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,129,017.60 : 1,420,196,963.91 = 559,229,220.74 : x
  2. Step 2: Convert to fraction form
    1,029,129,017.60/1,420,196,963.91 = 559,229,220.74/x
  3. Step 3: Cross multiply
    1,029,129,017.60x = 1,420,196,963.91 × 559,229,220.74
  4. Step 4: Simplify right side
    1,029,129,017.60x = 794,215,641,424,703,232
  5. Step 5: Solve for x
    x = 794,215,641,424,703,232/1,029,129,017.60
  6. Step 6: Final answer
    x = 771,735,737.54

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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.