Home / 932,352,020.80-1,398,528,031.20-448,622,612.80

Finding the Fourth Proportional to 932,352,020.80, 1,398,528,031.20 and 448,622,612.80

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Solution

The fourth proportional to 932,352,020.80, 1,398,528,031.20 and 448,622,612.80 is: 672,933,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,352,020.80 : 1,398,528,031.20 = 448,622,612.80 : x
  2. Step 2: Convert to fraction form
    932,352,020.80/1,398,528,031.20 = 448,622,612.80/x
  3. Step 3: Cross multiply
    932,352,020.80x = 1,398,528,031.20 × 448,622,612.80
  4. Step 4: Simplify right side
    932,352,020.80x = 627,411,299,430,983,936
  5. Step 5: Solve for x
    x = 627,411,299,430,983,936/932,352,020.80
  6. Step 6: Final answer
    x = 672,933,919.20

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1.5x scale

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.