Home / 1,152,018,429.32-1,589,788,195.96-623,388,087.91

Finding the Fourth Proportional to 1,152,018,429.32, 1,589,788,195.96 and 623,388,087.91

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Solution

The fourth proportional to 1,152,018,429.32, 1,589,788,195.96 and 623,388,087.91 is: 860,277,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,018,429.32 : 1,589,788,195.96 = 623,388,087.91 : x
  2. Step 2: Convert to fraction form
    1,152,018,429.32/1,589,788,195.96 = 623,388,087.91/x
  3. Step 3: Cross multiply
    1,152,018,429.32x = 1,589,788,195.96 × 623,388,087.91
  4. Step 4: Simplify right side
    1,152,018,429.32x = 991,055,023,663,808,768
  5. Step 5: Solve for x
    x = 991,055,023,663,808,768/1,152,018,429.32
  6. Step 6: Final answer
    x = 860,277,056.72

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Double scale
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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.