Home / 459,698,048.40-689,547,072.60-305,845,222.80

Finding the Fourth Proportional to 459,698,048.40, 689,547,072.60 and 305,845,222.80

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Solution

The fourth proportional to 459,698,048.40, 689,547,072.60 and 305,845,222.80 is: 458,767,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,698,048.40 : 689,547,072.60 = 305,845,222.80 : x
  2. Step 2: Convert to fraction form
    459,698,048.40/689,547,072.60 = 305,845,222.80/x
  3. Step 3: Cross multiply
    459,698,048.40x = 689,547,072.60 × 305,845,222.80
  4. Step 4: Simplify right side
    459,698,048.40x = 210,894,678,050,434,784
  5. Step 5: Solve for x
    x = 210,894,678,050,434,784/459,698,048.40
  6. Step 6: Final answer
    x = 458,767,834.20

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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.