Home / 798,211,800.90-1,197,317,701.35-525,890,060.10

Finding the Fourth Proportional to 798,211,800.90, 1,197,317,701.35 and 525,890,060.10

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Solution

The fourth proportional to 798,211,800.90, 1,197,317,701.35 and 525,890,060.10 is: 788,835,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,211,800.90 : 1,197,317,701.35 = 525,890,060.10 : x
  2. Step 2: Convert to fraction form
    798,211,800.90/1,197,317,701.35 = 525,890,060.10/x
  3. Step 3: Cross multiply
    798,211,800.90x = 1,197,317,701.35 × 525,890,060.10
  4. Step 4: Simplify right side
    798,211,800.90x = 629,657,477,921,745,280
  5. Step 5: Solve for x
    x = 629,657,477,921,745,280/798,211,800.90
  6. Step 6: Final answer
    x = 788,835,090.15

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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.