Home / 1,476,210,079.80-2,212,803,465.30-862,478,393.40

Finding the Fourth Proportional to 1,476,210,079.80, 2,212,803,465.30 and 862,478,393.40

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Solution

The fourth proportional to 1,476,210,079.80, 2,212,803,465.30 and 862,478,393.40 is: 1,292,834,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,210,079.80 : 2,212,803,465.30 = 862,478,393.40 : x
  2. Step 2: Convert to fraction form
    1,476,210,079.80/2,212,803,465.30 = 862,478,393.40/x
  3. Step 3: Cross multiply
    1,476,210,079.80x = 2,212,803,465.30 × 862,478,393.40
  4. Step 4: Simplify right side
    1,476,210,079.80x = 1,908,495,177,661,896,704
  5. Step 5: Solve for x
    x = 1,908,495,177,661,896,704/1,476,210,079.80
  6. Step 6: Final answer
    x = 1,292,834,403.30

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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.