Home / 430,739,411.72-646,069,259.50-119,851,741.13

Finding the Fourth Proportional to 430,739,411.72, 646,069,259.50 and 119,851,741.13

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Solution

The fourth proportional to 430,739,411.72, 646,069,259.50 and 119,851,741.13 is: 179,766,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,739,411.72 : 646,069,259.50 = 119,851,741.13 : x
  2. Step 2: Convert to fraction form
    430,739,411.72/646,069,259.50 = 119,851,741.13/x
  3. Step 3: Cross multiply
    430,739,411.72x = 646,069,259.50 × 119,851,741.13
  4. Step 4: Simplify right side
    430,739,411.72x = 77,432,525,638,114,816
  5. Step 5: Solve for x
    x = 77,432,525,638,114,816/430,739,411.72
  6. Step 6: Final answer
    x = 179,766,521.32

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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.