Home / 15,377,948,829,312-21,221,585,090,322-8,346,548,426,742

Finding the Fourth Proportional to 15,377,948,829,312, 21,221,585,090,322 and 8,346,548,426,742

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Solution

The fourth proportional to 15,377,948,829,312, 21,221,585,090,322 and 8,346,548,426,742 is: 11,518,245,353,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377,948,829,312 : 21,221,585,090,322 = 8,346,548,426,742 : x
  2. Step 2: Convert to fraction form
    15,377,948,829,312/21,221,585,090,322 = 8,346,548,426,742/x
  3. Step 3: Cross multiply
    15,377,948,829,312x = 21,221,585,090,322 × 8,346,548,426,742
  4. Step 4: Simplify right side
    15,377,948,829,312x = 177,126,987,648,598,583,808,098,304
  5. Step 5: Solve for x
    x = 177,126,987,648,598,583,808,098,304/15,377,948,829,312
  6. Step 6: Final answer
    x = 11,518,245,353,435.94

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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.