Home / 8,782,272,389.59-12,107,830,420.31-6,979,803,048.47

Finding the Fourth Proportional to 8,782,272,389.59, 12,107,830,420.31 and 6,979,803,048.47

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Solution

The fourth proportional to 8,782,272,389.59, 12,107,830,420.31 and 6,979,803,048.47 is: 9,622,825,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,272,389.59 : 12,107,830,420.31 = 6,979,803,048.47 : x
  2. Step 2: Convert to fraction form
    8,782,272,389.59/12,107,830,420.31 = 6,979,803,048.47/x
  3. Step 3: Cross multiply
    8,782,272,389.59x = 12,107,830,420.31 × 6,979,803,048.47
  4. Step 4: Simplify right side
    8,782,272,389.59x = 84,510,271,678,031,691,776
  5. Step 5: Solve for x
    x = 84,510,271,678,031,691,776/8,782,272,389.59
  6. Step 6: Final answer
    x = 9,622,825,156.08

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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.