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Finding the Fourth Proportional to 260,761,248,045.60, 391,141,872,068.40 and 260,761,248,045.60

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Solution

The fourth proportional to 260,761,248,045.60, 391,141,872,068.40 and 260,761,248,045.60 is: 391,141,872,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,761,248,045.60 : 391,141,872,068.40 = 260,761,248,045.60 : x
  2. Step 2: Convert to fraction form
    260,761,248,045.60/391,141,872,068.40 = 260,761,248,045.60/x
  3. Step 3: Cross multiply
    260,761,248,045.60x = 391,141,872,068.40 × 260,761,248,045.60
  4. Step 4: Simplify right side
    260,761,248,045.60x = 101,994,642,723,448,398,282,752
  5. Step 5: Solve for x
    x = 101,994,642,723,448,398,282,752/260,761,248,045.60
  6. Step 6: Final answer
    x = 391,141,872,068.40

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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.