Home / 477,492,142.47-716,238,167.54-132,445,784.49

Finding the Fourth Proportional to 477,492,142.47, 716,238,167.54 and 132,445,784.49

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Solution

The fourth proportional to 477,492,142.47, 716,238,167.54 and 132,445,784.49 is: 198,668,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,492,142.47 : 716,238,167.54 = 132,445,784.49 : x
  2. Step 2: Convert to fraction form
    477,492,142.47/716,238,167.54 = 132,445,784.49/x
  3. Step 3: Cross multiply
    477,492,142.47x = 716,238,167.54 × 132,445,784.49
  4. Step 4: Simplify right side
    477,492,142.47x = 94,862,725,980,853,120
  5. Step 5: Solve for x
    x = 94,862,725,980,853,120/477,492,142.47
  6. Step 6: Final answer
    x = 198,668,663.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.