Home / 992,209,357.57-1,488,314,035.86-370,473,143.89

Finding the Fourth Proportional to 992,209,357.57, 1,488,314,035.86 and 370,473,143.89

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Solution

The fourth proportional to 992,209,357.57, 1,488,314,035.86 and 370,473,143.89 is: 555,709,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,209,357.57 : 1,488,314,035.86 = 370,473,143.89 : x
  2. Step 2: Convert to fraction form
    992,209,357.57/1,488,314,035.86 = 370,473,143.89/x
  3. Step 3: Cross multiply
    992,209,357.57x = 1,488,314,035.86 × 370,473,143.89
  4. Step 4: Simplify right side
    992,209,357.57x = 551,380,379,960,668,352
  5. Step 5: Solve for x
    x = 551,380,379,960,668,352/992,209,357.57
  6. Step 6: Final answer
    x = 555,709,715.65

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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.