Home / 873,909,925.80-1,310,696,927.10-260,514,162.60

Finding the Fourth Proportional to 873,909,925.80, 1,310,696,927.10 and 260,514,162.60

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Solution

The fourth proportional to 873,909,925.80, 1,310,696,927.10 and 260,514,162.60 is: 390,721,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,909,925.80 : 1,310,696,927.10 = 260,514,162.60 : x
  2. Step 2: Convert to fraction form
    873,909,925.80/1,310,696,927.10 = 260,514,162.60/x
  3. Step 3: Cross multiply
    873,909,925.80x = 1,310,696,927.10 × 260,514,162.60
  4. Step 4: Simplify right side
    873,909,925.80x = 341,455,112,385,849,728
  5. Step 5: Solve for x
    x = 341,455,112,385,849,728/873,909,925.80
  6. Step 6: Final answer
    x = 390,721,174.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.