Home / 618,366,923.10-927,550,384.65-521,511,800.85

Finding the Fourth Proportional to 618,366,923.10, 927,550,384.65 and 521,511,800.85

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Solution

The fourth proportional to 618,366,923.10, 927,550,384.65 and 521,511,800.85 is: 782,267,701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,366,923.10 : 927,550,384.65 = 521,511,800.85 : x
  2. Step 2: Convert to fraction form
    618,366,923.10/927,550,384.65 = 521,511,800.85/x
  3. Step 3: Cross multiply
    618,366,923.10x = 927,550,384.65 × 521,511,800.85
  4. Step 4: Simplify right side
    618,366,923.10x = 483,728,471,477,931,712
  5. Step 5: Solve for x
    x = 483,728,471,477,931,712/618,366,923.10
  6. Step 6: Final answer
    x = 782,267,701.28

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Double scale
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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.