Home / 747,520,219.58-1,031,588,727.73-413,000,435.70

Finding the Fourth Proportional to 747,520,219.58, 1,031,588,727.73 and 413,000,435.70

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Solution

The fourth proportional to 747,520,219.58, 1,031,588,727.73 and 413,000,435.70 is: 569,946,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,520,219.58 : 1,031,588,727.73 = 413,000,435.70 : x
  2. Step 2: Convert to fraction form
    747,520,219.58/1,031,588,727.73 = 413,000,435.70/x
  3. Step 3: Cross multiply
    747,520,219.58x = 1,031,588,727.73 × 413,000,435.70
  4. Step 4: Simplify right side
    747,520,219.58x = 426,046,594,014,666,112
  5. Step 5: Solve for x
    x = 426,046,594,014,666,112/747,520,219.58
  6. Step 6: Final answer
    x = 569,946,581.86

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1.5x scale

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.