Home / 266,147,698,869.80-399,218,061,178.17-64,688,848,787.70

Finding the Fourth Proportional to 266,147,698,869.80, 399,218,061,178.17 and 64,688,848,787.70

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Solution

The fourth proportional to 266,147,698,869.80, 399,218,061,178.17 and 64,688,848,787.70 is: 97,032,425,613.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,147,698,869.80 : 399,218,061,178.17 = 64,688,848,787.70 : x
  2. Step 2: Convert to fraction form
    266,147,698,869.80/399,218,061,178.17 = 64,688,848,787.70/x
  3. Step 3: Cross multiply
    266,147,698,869.80x = 399,218,061,178.17 × 64,688,848,787.70
  4. Step 4: Simplify right side
    266,147,698,869.80x = 25,824,956,792,873,406,169,088
  5. Step 5: Solve for x
    x = 25,824,956,792,873,406,169,088/266,147,698,869.80
  6. Step 6: Final answer
    x = 97,032,425,613.82

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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.