Home / 896,854,493.70-1,345,281,740.55-664,402,200.30

Finding the Fourth Proportional to 896,854,493.70, 1,345,281,740.55 and 664,402,200.30

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Solution

The fourth proportional to 896,854,493.70, 1,345,281,740.55 and 664,402,200.30 is: 996,603,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,854,493.70 : 1,345,281,740.55 = 664,402,200.30 : x
  2. Step 2: Convert to fraction form
    896,854,493.70/1,345,281,740.55 = 664,402,200.30/x
  3. Step 3: Cross multiply
    896,854,493.70x = 1,345,281,740.55 × 664,402,200.30
  4. Step 4: Simplify right side
    896,854,493.70x = 893,808,148,444,833,664
  5. Step 5: Solve for x
    x = 893,808,148,444,833,664/896,854,493.70
  6. Step 6: Final answer
    x = 996,603,300.45

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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.