Home / 989,443,096.59-1,365,426,191.79-537,317,111.85

Finding the Fourth Proportional to 989,443,096.59, 1,365,426,191.79 and 537,317,111.85

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Solution

The fourth proportional to 989,443,096.59, 1,365,426,191.79 and 537,317,111.85 is: 741,494,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,443,096.59 : 1,365,426,191.79 = 537,317,111.85 : x
  2. Step 2: Convert to fraction form
    989,443,096.59/1,365,426,191.79 = 537,317,111.85/x
  3. Step 3: Cross multiply
    989,443,096.59x = 1,365,426,191.79 × 537,317,111.85
  4. Step 4: Simplify right side
    989,443,096.59x = 733,666,857,816,946,944
  5. Step 5: Solve for x
    x = 733,666,857,816,946,944/989,443,096.59
  6. Step 6: Final answer
    x = 741,494,746.23

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1.5x scale

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.