Home / 559,872,030.30-839,808,045.45-512,254,916.70

Finding the Fourth Proportional to 559,872,030.30, 839,808,045.45 and 512,254,916.70

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Solution

The fourth proportional to 559,872,030.30, 839,808,045.45 and 512,254,916.70 is: 768,382,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,030.30 : 839,808,045.45 = 512,254,916.70 : x
  2. Step 2: Convert to fraction form
    559,872,030.30/839,808,045.45 = 512,254,916.70/x
  3. Step 3: Cross multiply
    559,872,030.30x = 839,808,045.45 × 512,254,916.70
  4. Step 4: Simplify right side
    559,872,030.30x = 430,195,800,365,979,584
  5. Step 5: Solve for x
    x = 430,195,800,365,979,584/559,872,030.30
  6. Step 6: Final answer
    x = 768,382,375.05

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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.