Home / 559,718,394.66-772,434,746.10-308,839,061.16

Finding the Fourth Proportional to 559,718,394.66, 772,434,746.10 and 308,839,061.16

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Solution

The fourth proportional to 559,718,394.66, 772,434,746.10 and 308,839,061.16 is: 426,210,794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,718,394.66 : 772,434,746.10 = 308,839,061.16 : x
  2. Step 2: Convert to fraction form
    559,718,394.66/772,434,746.10 = 308,839,061.16/x
  3. Step 3: Cross multiply
    559,718,394.66x = 772,434,746.10 × 308,839,061.16
  4. Step 4: Simplify right side
    559,718,394.66x = 238,558,021,792,887,008
  5. Step 5: Solve for x
    x = 238,558,021,792,887,008/559,718,394.66
  6. Step 6: Final answer
    x = 426,210,794.69

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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.