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Finding the Fourth Proportional to 465,804,641.80, 698,706,962.70 and 456,734,715.40

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Solution

The fourth proportional to 465,804,641.80, 698,706,962.70 and 456,734,715.40 is: 685,102,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,804,641.80 : 698,706,962.70 = 456,734,715.40 : x
  2. Step 2: Convert to fraction form
    465,804,641.80/698,706,962.70 = 456,734,715.40/x
  3. Step 3: Cross multiply
    465,804,641.80x = 698,706,962.70 × 456,734,715.40
  4. Step 4: Simplify right side
    465,804,641.80x = 319,123,725,756,782,912
  5. Step 5: Solve for x
    x = 319,123,725,756,782,912/465,804,641.80
  6. Step 6: Final answer
    x = 685,102,073.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.