Home / 698,688,001.20-1,048,032,001.80-591,192,577.20

Finding the Fourth Proportional to 698,688,001.20, 1,048,032,001.80 and 591,192,577.20

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Solution

The fourth proportional to 698,688,001.20, 1,048,032,001.80 and 591,192,577.20 is: 886,788,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688,001.20 : 1,048,032,001.80 = 591,192,577.20 : x
  2. Step 2: Convert to fraction form
    698,688,001.20/1,048,032,001.80 = 591,192,577.20/x
  3. Step 3: Cross multiply
    698,688,001.20x = 1,048,032,001.80 × 591,192,577.20
  4. Step 4: Simplify right side
    698,688,001.20x = 619,588,740,132,217,088
  5. Step 5: Solve for x
    x = 619,588,740,132,217,088/698,688,001.20
  6. Step 6: Final answer
    x = 886,788,865.80

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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.