Home / 911,370,510.52-1,257,665,312.46-535,021,046.44

Finding the Fourth Proportional to 911,370,510.52, 1,257,665,312.46 and 535,021,046.44

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Solution

The fourth proportional to 911,370,510.52, 1,257,665,312.46 and 535,021,046.44 is: 738,313,785.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,370,510.52 : 1,257,665,312.46 = 535,021,046.44 : x
  2. Step 2: Convert to fraction form
    911,370,510.52/1,257,665,312.46 = 535,021,046.44/x
  3. Step 3: Cross multiply
    911,370,510.52x = 1,257,665,312.46 × 535,021,046.44
  4. Step 4: Simplify right side
    911,370,510.52x = 672,877,411,543,638,784
  5. Step 5: Solve for x
    x = 672,877,411,543,638,784/911,370,510.52
  6. Step 6: Final answer
    x = 738,313,785.42

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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.