Home / 910,105,766.89-1,255,588,590.90-528,562,849.35

Finding the Fourth Proportional to 910,105,766.89, 1,255,588,590.90 and 528,562,849.35

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Solution

The fourth proportional to 910,105,766.89, 1,255,588,590.90 and 528,562,849.35 is: 729,209,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,105,766.89 : 1,255,588,590.90 = 528,562,849.35 : x
  2. Step 2: Convert to fraction form
    910,105,766.89/1,255,588,590.90 = 528,562,849.35/x
  3. Step 3: Cross multiply
    910,105,766.89x = 1,255,588,590.90 × 528,562,849.35
  4. Step 4: Simplify right side
    910,105,766.89x = 663,657,483,219,876,480
  5. Step 5: Solve for x
    x = 663,657,483,219,876,480/910,105,766.89
  6. Step 6: Final answer
    x = 729,209,183.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.