Home / 1,534,497,621.12-2,117,602,734.18-856,307,461.28

Finding the Fourth Proportional to 1,534,497,621.12, 2,117,602,734.18 and 856,307,461.28

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Solution

The fourth proportional to 1,534,497,621.12, 2,117,602,734.18 and 856,307,461.28 is: 1,181,702,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534,497,621.12 : 2,117,602,734.18 = 856,307,461.28 : x
  2. Step 2: Convert to fraction form
    1,534,497,621.12/2,117,602,734.18 = 856,307,461.28/x
  3. Step 3: Cross multiply
    1,534,497,621.12x = 2,117,602,734.18 × 856,307,461.28
  4. Step 4: Simplify right side
    1,534,497,621.12x = 1,813,319,021,305,262,592
  5. Step 5: Solve for x
    x = 1,813,319,021,305,262,592/1,534,497,621.12
  6. Step 6: Final answer
    x = 1,181,702,073.92

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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.