Home / 555,240,737.30-766,232,290.05-307,738,070.42

Finding the Fourth Proportional to 555,240,737.30, 766,232,290.05 and 307,738,070.42

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Solution

The fourth proportional to 555,240,737.30, 766,232,290.05 and 307,738,070.42 is: 424,678,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,240,737.30 : 766,232,290.05 = 307,738,070.42 : x
  2. Step 2: Convert to fraction form
    555,240,737.30/766,232,290.05 = 307,738,070.42/x
  3. Step 3: Cross multiply
    555,240,737.30x = 766,232,290.05 × 307,738,070.42
  4. Step 4: Simplify right side
    555,240,737.30x = 235,798,846,433,484,768
  5. Step 5: Solve for x
    x = 235,798,846,433,484,768/555,240,737.30
  6. Step 6: Final answer
    x = 424,678,577.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.