Home / 607,392,030.10-911,088,045.15-400,767,769.30

Finding the Fourth Proportional to 607,392,030.10, 911,088,045.15 and 400,767,769.30

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Solution

The fourth proportional to 607,392,030.10, 911,088,045.15 and 400,767,769.30 is: 601,151,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,392,030.10 : 911,088,045.15 = 400,767,769.30 : x
  2. Step 2: Convert to fraction form
    607,392,030.10/911,088,045.15 = 400,767,769.30/x
  3. Step 3: Cross multiply
    607,392,030.10x = 911,088,045.15 × 400,767,769.30
  4. Step 4: Simplify right side
    607,392,030.10x = 365,134,723,490,663,168
  5. Step 5: Solve for x
    x = 365,134,723,490,663,168/607,392,030.10
  6. Step 6: Final answer
    x = 601,151,653.95

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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.