Home / 989,443,094.81-1,365,426,189.34-537,317,110.07

Finding the Fourth Proportional to 989,443,094.81, 1,365,426,189.34 and 537,317,110.07

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Solution

The fourth proportional to 989,443,094.81, 1,365,426,189.34 and 537,317,110.07 is: 741,494,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,443,094.81 : 1,365,426,189.34 = 537,317,110.07 : x
  2. Step 2: Convert to fraction form
    989,443,094.81/1,365,426,189.34 = 537,317,110.07/x
  3. Step 3: Cross multiply
    989,443,094.81x = 1,365,426,189.34 × 537,317,110.07
  4. Step 4: Simplify right side
    989,443,094.81x = 733,666,854,067,011,456
  5. Step 5: Solve for x
    x = 733,666,854,067,011,456/989,443,094.81
  6. Step 6: Final answer
    x = 741,494,743.78

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Double scale
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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.