Home / 1,455,229,389.64-2,182,046,922.95-716,675,203.12

Finding the Fourth Proportional to 1,455,229,389.64, 2,182,046,922.95 and 716,675,203.12

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Solution

The fourth proportional to 1,455,229,389.64, 2,182,046,922.95 and 716,675,203.12 is: 1,074,620,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,229,389.64 : 2,182,046,922.95 = 716,675,203.12 : x
  2. Step 2: Convert to fraction form
    1,455,229,389.64/2,182,046,922.95 = 716,675,203.12/x
  3. Step 3: Cross multiply
    1,455,229,389.64x = 2,182,046,922.95 × 716,675,203.12
  4. Step 4: Simplify right side
    1,455,229,389.64x = 1,563,818,921,718,898,688
  5. Step 5: Solve for x
    x = 1,563,818,921,718,898,688/1,455,229,389.64
  6. Step 6: Final answer
    x = 1,074,620,216.48

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Double scale
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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.