Home / 989,646,141.16-1,365,630,364.38-543,586,452.22

Finding the Fourth Proportional to 989,646,141.16, 1,365,630,364.38 and 543,586,452.22

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Solution

The fourth proportional to 989,646,141.16, 1,365,630,364.38 and 543,586,452.22 is: 750,104,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,646,141.16 : 1,365,630,364.38 = 543,586,452.22 : x
  2. Step 2: Convert to fraction form
    989,646,141.16/1,365,630,364.38 = 543,586,452.22/x
  3. Step 3: Cross multiply
    989,646,141.16x = 1,365,630,364.38 × 543,586,452.22
  4. Step 4: Simplify right side
    989,646,141.16x = 742,338,164,817,230,208
  5. Step 5: Solve for x
    x = 742,338,164,817,230,208/989,646,141.16
  6. Step 6: Final answer
    x = 750,104,642.40

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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.