Home / 459,091,211.40-688,636,817.10-459,091,211.40

Finding the Fourth Proportional to 459,091,211.40, 688,636,817.10 and 459,091,211.40

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Solution

The fourth proportional to 459,091,211.40, 688,636,817.10 and 459,091,211.40 is: 688,636,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,091,211.40 : 688,636,817.10 = 459,091,211.40 : x
  2. Step 2: Convert to fraction form
    459,091,211.40/688,636,817.10 = 459,091,211.40/x
  3. Step 3: Cross multiply
    459,091,211.40x = 688,636,817.10 × 459,091,211.40
  4. Step 4: Simplify right side
    459,091,211.40x = 316,147,110,577,079,232
  5. Step 5: Solve for x
    x = 316,147,110,577,079,232/459,091,211.40
  6. Step 6: Final answer
    x = 688,636,817.10

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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.