Home / 480,587,966.96-719,706,199.80-434,006,636

Finding the Fourth Proportional to 480,587,966.96, 719,706,199.80 and 434,006,636

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Solution

The fourth proportional to 480,587,966.96, 719,706,199.80 and 434,006,636 is: 649,948,163.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,587,966.96 : 719,706,199.80 = 434,006,636 : x
  2. Step 2: Convert to fraction form
    480,587,966.96/719,706,199.80 = 434,006,636/x
  3. Step 3: Cross multiply
    480,587,966.96x = 719,706,199.80 × 434,006,636
  4. Step 4: Simplify right side
    480,587,966.96x = 312,357,266,683,541,824
  5. Step 5: Solve for x
    x = 312,357,266,683,541,824/480,587,966.96
  6. Step 6: Final answer
    x = 649,948,163.83

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Why These Related Problems?

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