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Finding the Fourth Proportional to 593,894,656.80, 890,841,985.20 and 400,402,893.60

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Solution

The fourth proportional to 593,894,656.80, 890,841,985.20 and 400,402,893.60 is: 600,604,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,894,656.80 : 890,841,985.20 = 400,402,893.60 : x
  2. Step 2: Convert to fraction form
    593,894,656.80/890,841,985.20 = 400,402,893.60/x
  3. Step 3: Cross multiply
    593,894,656.80x = 890,841,985.20 × 400,402,893.60
  4. Step 4: Simplify right side
    593,894,656.80x = 356,695,708,614,448,384
  5. Step 5: Solve for x
    x = 356,695,708,614,448,384/593,894,656.80
  6. Step 6: Final answer
    x = 600,604,340.40

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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.