Home / 916,270,744.08-1,264,442,997.96-498,575,832.72

Finding the Fourth Proportional to 916,270,744.08, 1,264,442,997.96 and 498,575,832.72

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Solution

The fourth proportional to 916,270,744.08, 1,264,442,997.96 and 498,575,832.72 is: 688,028,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,270,744.08 : 1,264,442,997.96 = 498,575,832.72 : x
  2. Step 2: Convert to fraction form
    916,270,744.08/1,264,442,997.96 = 498,575,832.72/x
  3. Step 3: Cross multiply
    916,270,744.08x = 1,264,442,997.96 × 498,575,832.72
  4. Step 4: Simplify right side
    916,270,744.08x = 630,420,720,634,880,256
  5. Step 5: Solve for x
    x = 630,420,720,634,880,256/916,270,744.08
  6. Step 6: Final answer
    x = 688,028,865.60

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1.5x scale

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.