Home / 724,685,279.09-1,000,078,907.64-402,843,467.70

Finding the Fourth Proportional to 724,685,279.09, 1,000,078,907.64 and 402,843,467.70

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Solution

The fourth proportional to 724,685,279.09, 1,000,078,907.64 and 402,843,467.70 is: 555,931,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,685,279.09 : 1,000,078,907.64 = 402,843,467.70 : x
  2. Step 2: Convert to fraction form
    724,685,279.09/1,000,078,907.64 = 402,843,467.70/x
  3. Step 3: Cross multiply
    724,685,279.09x = 1,000,078,907.64 × 402,843,467.70
  4. Step 4: Simplify right side
    724,685,279.09x = 402,875,255,122,325,184
  5. Step 5: Solve for x
    x = 402,875,255,122,325,184/724,685,279.09
  6. Step 6: Final answer
    x = 555,931,335.64

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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.