Home / 459,090,868.40-688,636,302.60-459,090,868.40

Finding the Fourth Proportional to 459,090,868.40, 688,636,302.60 and 459,090,868.40

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Solution

The fourth proportional to 459,090,868.40, 688,636,302.60 and 459,090,868.40 is: 688,636,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,090,868.40 : 688,636,302.60 = 459,090,868.40 : x
  2. Step 2: Convert to fraction form
    459,090,868.40/688,636,302.60 = 459,090,868.40/x
  3. Step 3: Cross multiply
    459,090,868.40x = 688,636,302.60 × 459,090,868.40
  4. Step 4: Simplify right side
    459,090,868.40x = 316,146,638,172,399,168
  5. Step 5: Solve for x
    x = 316,146,638,172,399,168/459,090,868.40
  6. Step 6: Final answer
    x = 688,636,302.60

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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.