Home / 745,185,972.90-1,117,778,959.35-740,084,139.30

Finding the Fourth Proportional to 745,185,972.90, 1,117,778,959.35 and 740,084,139.30

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Solution

The fourth proportional to 745,185,972.90, 1,117,778,959.35 and 740,084,139.30 is: 1,110,126,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,185,972.90 : 1,117,778,959.35 = 740,084,139.30 : x
  2. Step 2: Convert to fraction form
    745,185,972.90/1,117,778,959.35 = 740,084,139.30/x
  3. Step 3: Cross multiply
    745,185,972.90x = 1,117,778,959.35 × 740,084,139.30
  4. Step 4: Simplify right side
    745,185,972.90x = 827,250,479,058,194,304
  5. Step 5: Solve for x
    x = 827,250,479,058,194,304/745,185,972.90
  6. Step 6: Final answer
    x = 1,110,126,208.95

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1.5x scale

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.