Home / 472,778,733.12-652,608,756-284,615,776.32

Finding the Fourth Proportional to 472,778,733.12, 652,608,756 and 284,615,776.32

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Solution

The fourth proportional to 472,778,733.12, 652,608,756 and 284,615,776.32 is: 392,874,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,778,733.12 : 652,608,756 = 284,615,776.32 : x
  2. Step 2: Convert to fraction form
    472,778,733.12/652,608,756 = 284,615,776.32/x
  3. Step 3: Cross multiply
    472,778,733.12x = 652,608,756 × 284,615,776.32
  4. Step 4: Simplify right side
    472,778,733.12x = 185,742,747,722,169,440
  5. Step 5: Solve for x
    x = 185,742,747,722,169,440/472,778,733.12
  6. Step 6: Final answer
    x = 392,874,583.20

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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.