Home / 928,300,145.48-1,281,148,162.98-531,875,718.44

Finding the Fourth Proportional to 928,300,145.48, 1,281,148,162.98 and 531,875,718.44

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Solution

The fourth proportional to 928,300,145.48, 1,281,148,162.98 and 531,875,718.44 is: 734,042,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,300,145.48 : 1,281,148,162.98 = 531,875,718.44 : x
  2. Step 2: Convert to fraction form
    928,300,145.48/1,281,148,162.98 = 531,875,718.44/x
  3. Step 3: Cross multiply
    928,300,145.48x = 1,281,148,162.98 × 531,875,718.44
  4. Step 4: Simplify right side
    928,300,145.48x = 681,411,599,613,073,664
  5. Step 5: Solve for x
    x = 681,411,599,613,073,664/928,300,145.48
  6. Step 6: Final answer
    x = 734,042,327.72

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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.