Home / 1,411,319,527.77-1,947,622,563-784,774,503.57

Finding the Fourth Proportional to 1,411,319,527.77, 1,947,622,563 and 784,774,503.57

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Solution

The fourth proportional to 1,411,319,527.77, 1,947,622,563 and 784,774,503.57 is: 1,082,989,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,319,527.77 : 1,947,622,563 = 784,774,503.57 : x
  2. Step 2: Convert to fraction form
    1,411,319,527.77/1,947,622,563 = 784,774,503.57/x
  3. Step 3: Cross multiply
    1,411,319,527.77x = 1,947,622,563 × 784,774,503.57
  4. Step 4: Simplify right side
    1,411,319,527.77x = 1,528,444,530,020,056,064
  5. Step 5: Solve for x
    x = 1,528,444,530,020,056,064/1,411,319,527.77
  6. Step 6: Final answer
    x = 1,082,989,712.78

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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.