Home / 813,692,718,362.80-1,220,539,077,544.20-247,725,909,780.40

Finding the Fourth Proportional to 813,692,718,362.80, 1,220,539,077,544.20 and 247,725,909,780.40

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Solution

The fourth proportional to 813,692,718,362.80, 1,220,539,077,544.20 and 247,725,909,780.40 is: 371,588,864,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,692,718,362.80 : 1,220,539,077,544.20 = 247,725,909,780.40 : x
  2. Step 2: Convert to fraction form
    813,692,718,362.80/1,220,539,077,544.20 = 247,725,909,780.40/x
  3. Step 3: Cross multiply
    813,692,718,362.80x = 1,220,539,077,544.20 × 247,725,909,780.40
  4. Step 4: Simplify right side
    813,692,718,362.80x = 302,359,153,407,167,117,131,776
  5. Step 5: Solve for x
    x = 302,359,153,407,167,117,131,776/813,692,718,362.80
  6. Step 6: Final answer
    x = 371,588,864,670.60

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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.