Home / 507,390,055.80-761,085,083.70-386,457,703.80

Finding the Fourth Proportional to 507,390,055.80, 761,085,083.70 and 386,457,703.80

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Solution

The fourth proportional to 507,390,055.80, 761,085,083.70 and 386,457,703.80 is: 579,686,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,390,055.80 : 761,085,083.70 = 386,457,703.80 : x
  2. Step 2: Convert to fraction form
    507,390,055.80/761,085,083.70 = 386,457,703.80/x
  3. Step 3: Cross multiply
    507,390,055.80x = 761,085,083.70 × 386,457,703.80
  4. Step 4: Simplify right side
    507,390,055.80x = 294,127,193,843,132,864
  5. Step 5: Solve for x
    x = 294,127,193,843,132,864/507,390,055.80
  6. Step 6: Final answer
    x = 579,686,555.70

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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.