Home / 645,596,139.54-891,197,574.80-434,025,673.27

Finding the Fourth Proportional to 645,596,139.54, 891,197,574.80 and 434,025,673.27

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Solution

The fourth proportional to 645,596,139.54, 891,197,574.80 and 434,025,673.27 is: 599,140,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,596,139.54 : 891,197,574.80 = 434,025,673.27 : x
  2. Step 2: Convert to fraction form
    645,596,139.54/891,197,574.80 = 434,025,673.27/x
  3. Step 3: Cross multiply
    645,596,139.54x = 891,197,574.80 × 434,025,673.27
  4. Step 4: Simplify right side
    645,596,139.54x = 386,802,627,419,219,008
  5. Step 5: Solve for x
    x = 386,802,627,419,219,008/645,596,139.54
  6. Step 6: Final answer
    x = 599,140,242.22

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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.