Home / 903,521,920.60-1,355,254,887.30-257,289,664.60

Finding the Fourth Proportional to 903,521,920.60, 1,355,254,887.30 and 257,289,664.60

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Solution

The fourth proportional to 903,521,920.60, 1,355,254,887.30 and 257,289,664.60 is: 385,926,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,521,920.60 : 1,355,254,887.30 = 257,289,664.60 : x
  2. Step 2: Convert to fraction form
    903,521,920.60/1,355,254,887.30 = 257,289,664.60/x
  3. Step 3: Cross multiply
    903,521,920.60x = 1,355,254,887.30 × 257,289,664.60
  4. Step 4: Simplify right side
    903,521,920.60x = 348,693,075,400,927,808
  5. Step 5: Solve for x
    x = 348,693,075,400,927,808/903,521,920.60
  6. Step 6: Final answer
    x = 385,926,525.36

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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.