Home / 774,518,844.48-1,068,835,988.64-426,838,332.48

Finding the Fourth Proportional to 774,518,844.48, 1,068,835,988.64 and 426,838,332.48

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Solution

The fourth proportional to 774,518,844.48, 1,068,835,988.64 and 426,838,332.48 is: 589,036,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,518,844.48 : 1,068,835,988.64 = 426,838,332.48 : x
  2. Step 2: Convert to fraction form
    774,518,844.48/1,068,835,988.64 = 426,838,332.48/x
  3. Step 3: Cross multiply
    774,518,844.48x = 1,068,835,988.64 × 426,838,332.48
  4. Step 4: Simplify right side
    774,518,844.48x = 456,220,171,085,709,824
  5. Step 5: Solve for x
    x = 456,220,171,085,709,824/774,518,844.48
  6. Step 6: Final answer
    x = 589,036,889.60

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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.