Home / 693,232,726.29-956,763,839.10-438,937,718.77

Finding the Fourth Proportional to 693,232,726.29, 956,763,839.10 and 438,937,718.77

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Solution

The fourth proportional to 693,232,726.29, 956,763,839.10 and 438,937,718.77 is: 605,799,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,232,726.29 : 956,763,839.10 = 438,937,718.77 : x
  2. Step 2: Convert to fraction form
    693,232,726.29/956,763,839.10 = 438,937,718.77/x
  3. Step 3: Cross multiply
    693,232,726.29x = 956,763,839.10 × 438,937,718.77
  4. Step 4: Simplify right side
    693,232,726.29x = 419,959,736,936,181,312
  5. Step 5: Solve for x
    x = 419,959,736,936,181,312/693,232,726.29
  6. Step 6: Final answer
    x = 605,799,064.31

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1.5x scale

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.