Home / 912,472,826.10-1,368,709,239.15-858,725,114.10

Finding the Fourth Proportional to 912,472,826.10, 1,368,709,239.15 and 858,725,114.10

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Solution

The fourth proportional to 912,472,826.10, 1,368,709,239.15 and 858,725,114.10 is: 1,288,087,671.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,472,826.10 : 1,368,709,239.15 = 858,725,114.10 : x
  2. Step 2: Convert to fraction form
    912,472,826.10/1,368,709,239.15 = 858,725,114.10/x
  3. Step 3: Cross multiply
    912,472,826.10x = 1,368,709,239.15 × 858,725,114.10
  4. Step 4: Simplify right side
    912,472,826.10x = 1,175,344,997,558,808,064
  5. Step 5: Solve for x
    x = 1,175,344,997,558,808,064/912,472,826.10
  6. Step 6: Final answer
    x = 1,288,087,671.15

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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.