Home / 914,370,988.10-1,261,830,983.22-496,683,585.50

Finding the Fourth Proportional to 914,370,988.10, 1,261,830,983.22 and 496,683,585.50

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Solution

The fourth proportional to 914,370,988.10, 1,261,830,983.22 and 496,683,585.50 is: 685,422,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,370,988.10 : 1,261,830,983.22 = 496,683,585.50 : x
  2. Step 2: Convert to fraction form
    914,370,988.10/1,261,830,983.22 = 496,683,585.50/x
  3. Step 3: Cross multiply
    914,370,988.10x = 1,261,830,983.22 × 496,683,585.50
  4. Step 4: Simplify right side
    914,370,988.10x = 626,730,737,045,096,320
  5. Step 5: Solve for x
    x = 626,730,737,045,096,320/914,370,988.10
  6. Step 6: Final answer
    x = 685,422,815.47

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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.