Home / 516,867,927.15-713,338,041.70-293,883,019.90

Finding the Fourth Proportional to 516,867,927.15, 713,338,041.70 and 293,883,019.90

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Solution

The fourth proportional to 516,867,927.15, 713,338,041.70 and 293,883,019.90 is: 405,592,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,867,927.15 : 713,338,041.70 = 293,883,019.90 : x
  2. Step 2: Convert to fraction form
    516,867,927.15/713,338,041.70 = 293,883,019.90/x
  3. Step 3: Cross multiply
    516,867,927.15x = 713,338,041.70 × 293,883,019.90
  4. Step 4: Simplify right side
    516,867,927.15x = 209,637,937,901,830,048
  5. Step 5: Solve for x
    x = 209,637,937,901,830,048/516,867,927.15
  6. Step 6: Final answer
    x = 405,592,854.36

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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.