Home / 877,434,020.53-1,316,137,744.89-213,454,292.35

Finding the Fourth Proportional to 877,434,020.53, 1,316,137,744.89 and 213,454,292.35

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Solution

The fourth proportional to 877,434,020.53, 1,316,137,744.89 and 213,454,292.35 is: 320,178,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,434,020.53 : 1,316,137,744.89 = 213,454,292.35 : x
  2. Step 2: Convert to fraction form
    877,434,020.53/1,316,137,744.89 = 213,454,292.35/x
  3. Step 3: Cross multiply
    877,434,020.53x = 1,316,137,744.89 × 213,454,292.35
  4. Step 4: Simplify right side
    877,434,020.53x = 280,935,250,970,619,808
  5. Step 5: Solve for x
    x = 280,935,250,970,619,808/877,434,020.53
  6. Step 6: Final answer
    x = 320,178,206.45

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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.