Home / 1,064,990,649.60-1,596,730,147.20-409,688,467.20

Finding the Fourth Proportional to 1,064,990,649.60, 1,596,730,147.20 and 409,688,467.20

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Solution

The fourth proportional to 1,064,990,649.60, 1,596,730,147.20 and 409,688,467.20 is: 614,241,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,990,649.60 : 1,596,730,147.20 = 409,688,467.20 : x
  2. Step 2: Convert to fraction form
    1,064,990,649.60/1,596,730,147.20 = 409,688,467.20/x
  3. Step 3: Cross multiply
    1,064,990,649.60x = 1,596,730,147.20 × 409,688,467.20
  4. Step 4: Simplify right side
    1,064,990,649.60x = 654,161,926,538,398,336
  5. Step 5: Solve for x
    x = 654,161,926,538,398,336/1,064,990,649.60
  6. Step 6: Final answer
    x = 614,241,943.61

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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.