Home / 977,397,367.92-1,348,773,663.96-537,361,015.92

Finding the Fourth Proportional to 977,397,367.92, 1,348,773,663.96 and 537,361,015.92

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Solution

The fourth proportional to 977,397,367.92, 1,348,773,663.96 and 537,361,015.92 is: 741,539,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,397,367.92 : 1,348,773,663.96 = 537,361,015.92 : x
  2. Step 2: Convert to fraction form
    977,397,367.92/1,348,773,663.96 = 537,361,015.92/x
  3. Step 3: Cross multiply
    977,397,367.92x = 1,348,773,663.96 × 537,361,015.92
  4. Step 4: Simplify right side
    977,397,367.92x = 724,778,386,311,686,272
  5. Step 5: Solve for x
    x = 724,778,386,311,686,272/977,397,367.92
  6. Step 6: Final answer
    x = 741,539,122.27

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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.