Home / 518,938,444.10-778,407,666.15-173,777,356.10

Finding the Fourth Proportional to 518,938,444.10, 778,407,666.15 and 173,777,356.10

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Solution

The fourth proportional to 518,938,444.10, 778,407,666.15 and 173,777,356.10 is: 260,666,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,938,444.10 : 778,407,666.15 = 173,777,356.10 : x
  2. Step 2: Convert to fraction form
    518,938,444.10/778,407,666.15 = 173,777,356.10/x
  3. Step 3: Cross multiply
    518,938,444.10x = 778,407,666.15 × 173,777,356.10
  4. Step 4: Simplify right side
    518,938,444.10x = 135,269,626,191,518,464
  5. Step 5: Solve for x
    x = 135,269,626,191,518,464/518,938,444.10
  6. Step 6: Final answer
    x = 260,666,034.15

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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.