Home / 708,920,401.60-1,064,475,463.20-386,434,129.60

Finding the Fourth Proportional to 708,920,401.60, 1,064,475,463.20 and 386,434,129.60

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Solution

The fourth proportional to 708,920,401.60, 1,064,475,463.20 and 386,434,129.60 is: 580,248,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,920,401.60 : 1,064,475,463.20 = 386,434,129.60 : x
  2. Step 2: Convert to fraction form
    708,920,401.60/1,064,475,463.20 = 386,434,129.60/x
  3. Step 3: Cross multiply
    708,920,401.60x = 1,064,475,463.20 × 386,434,129.60
  4. Step 4: Simplify right side
    708,920,401.60x = 411,349,649,102,248,896
  5. Step 5: Solve for x
    x = 411,349,649,102,248,896/708,920,401.60
  6. Step 6: Final answer
    x = 580,248,005.52

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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.