Home / 693,221,564.93-956,668,895.10-379,956,581.60

Finding the Fourth Proportional to 693,221,564.93, 956,668,895.10 and 379,956,581.60

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Solution

The fourth proportional to 693,221,564.93, 956,668,895.10 and 379,956,581.60 is: 524,352,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,221,564.93 : 956,668,895.10 = 379,956,581.60 : x
  2. Step 2: Convert to fraction form
    693,221,564.93/956,668,895.10 = 379,956,581.60/x
  3. Step 3: Cross multiply
    693,221,564.93x = 956,668,895.10 × 379,956,581.60
  4. Step 4: Simplify right side
    693,221,564.93x = 363,492,643,100,461,696
  5. Step 5: Solve for x
    x = 363,492,643,100,461,696/693,221,564.93
  6. Step 6: Final answer
    x = 524,352,763.23

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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.