Home / 930,209,458.57-1,395,518,495.87-275,109,411.47

Finding the Fourth Proportional to 930,209,458.57, 1,395,518,495.87 and 275,109,411.47

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Solution

The fourth proportional to 930,209,458.57, 1,395,518,495.87 and 275,109,411.47 is: 412,724,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,209,458.57 : 1,395,518,495.87 = 275,109,411.47 : x
  2. Step 2: Convert to fraction form
    930,209,458.57/1,395,518,495.87 = 275,109,411.47/x
  3. Step 3: Cross multiply
    930,209,458.57x = 1,395,518,495.87 × 275,109,411.47
  4. Step 4: Simplify right side
    930,209,458.57x = 383,920,272,088,005,440
  5. Step 5: Solve for x
    x = 383,920,272,088,005,440/930,209,458.57
  6. Step 6: Final answer
    x = 412,724,541.29

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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.