Home / 680,320,565.40-1,020,480,848.10-462,642,331.80

Finding the Fourth Proportional to 680,320,565.40, 1,020,480,848.10 and 462,642,331.80

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Solution

The fourth proportional to 680,320,565.40, 1,020,480,848.10 and 462,642,331.80 is: 693,963,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,320,565.40 : 1,020,480,848.10 = 462,642,331.80 : x
  2. Step 2: Convert to fraction form
    680,320,565.40/1,020,480,848.10 = 462,642,331.80/x
  3. Step 3: Cross multiply
    680,320,565.40x = 1,020,480,848.10 × 462,642,331.80
  4. Step 4: Simplify right side
    680,320,565.40x = 472,117,639,122,225,600
  5. Step 5: Solve for x
    x = 472,117,639,122,225,600/680,320,565.40
  6. Step 6: Final answer
    x = 693,963,497.70

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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.