Home / 459,698,040.40-689,547,060.60-305,845,214.80

Finding the Fourth Proportional to 459,698,040.40, 689,547,060.60 and 305,845,214.80

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Solution

The fourth proportional to 459,698,040.40, 689,547,060.60 and 305,845,214.80 is: 458,767,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,698,040.40 : 689,547,060.60 = 305,845,214.80 : x
  2. Step 2: Convert to fraction form
    459,698,040.40/689,547,060.60 = 305,845,214.80/x
  3. Step 3: Cross multiply
    459,698,040.40x = 689,547,060.60 × 305,845,214.80
  4. Step 4: Simplify right side
    459,698,040.40x = 210,894,668,863,915,648
  5. Step 5: Solve for x
    x = 210,894,668,863,915,648/459,698,040.40
  6. Step 6: Final answer
    x = 458,767,822.20

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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.