Home / 965,349,095.40-1,448,023,643.10-319,116,839.40

Finding the Fourth Proportional to 965,349,095.40, 1,448,023,643.10 and 319,116,839.40

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Solution

The fourth proportional to 965,349,095.40, 1,448,023,643.10 and 319,116,839.40 is: 478,675,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,349,095.40 : 1,448,023,643.10 = 319,116,839.40 : x
  2. Step 2: Convert to fraction form
    965,349,095.40/1,448,023,643.10 = 319,116,839.40/x
  3. Step 3: Cross multiply
    965,349,095.40x = 1,448,023,643.10 × 319,116,839.40
  4. Step 4: Simplify right side
    965,349,095.40x = 462,088,728,362,545,536
  5. Step 5: Solve for x
    x = 462,088,728,362,545,536/965,349,095.40
  6. Step 6: Final answer
    x = 478,675,259.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.