Home / 651,847,472.10-977,771,208.15-580,421,801.70

Finding the Fourth Proportional to 651,847,472.10, 977,771,208.15 and 580,421,801.70

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Solution

The fourth proportional to 651,847,472.10, 977,771,208.15 and 580,421,801.70 is: 870,632,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,847,472.10 : 977,771,208.15 = 580,421,801.70 : x
  2. Step 2: Convert to fraction form
    651,847,472.10/977,771,208.15 = 580,421,801.70/x
  3. Step 3: Cross multiply
    651,847,472.10x = 977,771,208.15 × 580,421,801.70
  4. Step 4: Simplify right side
    651,847,472.10x = 567,519,726,284,808,768
  5. Step 5: Solve for x
    x = 567,519,726,284,808,768/651,847,472.10
  6. Step 6: Final answer
    x = 870,632,702.55

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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.