Home / 849,742,813.52-1,172,681,272.78-473,399,188.22

Finding the Fourth Proportional to 849,742,813.52, 1,172,681,272.78 and 473,399,188.22

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Solution

The fourth proportional to 849,742,813.52, 1,172,681,272.78 and 473,399,188.22 is: 653,311,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,742,813.52 : 1,172,681,272.78 = 473,399,188.22 : x
  2. Step 2: Convert to fraction form
    849,742,813.52/1,172,681,272.78 = 473,399,188.22/x
  3. Step 3: Cross multiply
    849,742,813.52x = 1,172,681,272.78 × 473,399,188.22
  4. Step 4: Simplify right side
    849,742,813.52x = 555,146,362,574,848,384
  5. Step 5: Solve for x
    x = 555,146,362,574,848,384/849,742,813.52
  6. Step 6: Final answer
    x = 653,311,041.58

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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.