Home / 1,045,290,512.88-1,567,935,768.78-390,292,691.04

Finding the Fourth Proportional to 1,045,290,512.88, 1,567,935,768.78 and 390,292,691.04

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Solution

The fourth proportional to 1,045,290,512.88, 1,567,935,768.78 and 390,292,691.04 is: 585,439,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,290,512.88 : 1,567,935,768.78 = 390,292,691.04 : x
  2. Step 2: Convert to fraction form
    1,045,290,512.88/1,567,935,768.78 = 390,292,691.04/x
  3. Step 3: Cross multiply
    1,045,290,512.88x = 1,567,935,768.78 × 390,292,691.04
  4. Step 4: Simplify right side
    1,045,290,512.88x = 611,953,870,575,017,472
  5. Step 5: Solve for x
    x = 611,953,870,575,017,472/1,045,290,512.88
  6. Step 6: Final answer
    x = 585,439,036.36

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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.