Home / 519,452,720.52-716,831,034.06-296,430,404.76

Finding the Fourth Proportional to 519,452,720.52, 716,831,034.06 and 296,430,404.76

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Solution

The fourth proportional to 519,452,720.52, 716,831,034.06 and 296,430,404.76 is: 409,066,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,452,720.52 : 716,831,034.06 = 296,430,404.76 : x
  2. Step 2: Convert to fraction form
    519,452,720.52/716,831,034.06 = 296,430,404.76/x
  3. Step 3: Cross multiply
    519,452,720.52x = 716,831,034.06 × 296,430,404.76
  4. Step 4: Simplify right side
    519,452,720.52x = 212,490,513,570,935,136
  5. Step 5: Solve for x
    x = 212,490,513,570,935,136/519,452,720.52
  6. Step 6: Final answer
    x = 409,066,128.98

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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.