Home / 1,500,070,725.18-2,069,901,288.90-865,014,672.60

Finding the Fourth Proportional to 1,500,070,725.18, 2,069,901,288.90 and 865,014,672.60

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Solution

The fourth proportional to 1,500,070,725.18, 2,069,901,288.90 and 865,014,672.60 is: 1,193,607,045.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,070,725.18 : 2,069,901,288.90 = 865,014,672.60 : x
  2. Step 2: Convert to fraction form
    1,500,070,725.18/2,069,901,288.90 = 865,014,672.60/x
  3. Step 3: Cross multiply
    1,500,070,725.18x = 2,069,901,288.90 × 865,014,672.60
  4. Step 4: Simplify right side
    1,500,070,725.18x = 1,790,494,985,732,151,552
  5. Step 5: Solve for x
    x = 1,790,494,985,732,151,552/1,500,070,725.18
  6. Step 6: Final answer
    x = 1,193,607,045.11

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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.