Home / 713,367,087.20-1,070,050,630.80-325,946,598.20

Finding the Fourth Proportional to 713,367,087.20, 1,070,050,630.80 and 325,946,598.20

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Solution

The fourth proportional to 713,367,087.20, 1,070,050,630.80 and 325,946,598.20 is: 488,919,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,367,087.20 : 1,070,050,630.80 = 325,946,598.20 : x
  2. Step 2: Convert to fraction form
    713,367,087.20/1,070,050,630.80 = 325,946,598.20/x
  3. Step 3: Cross multiply
    713,367,087.20x = 1,070,050,630.80 × 325,946,598.20
  4. Step 4: Simplify right side
    713,367,087.20x = 348,779,363,011,024,128
  5. Step 5: Solve for x
    x = 348,779,363,011,024,128/713,367,087.20
  6. Step 6: Final answer
    x = 488,919,897.30

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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.