Home / 651,931,815.20-977,897,722.80-606,015,312.80

Finding the Fourth Proportional to 651,931,815.20, 977,897,722.80 and 606,015,312.80

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Solution

The fourth proportional to 651,931,815.20, 977,897,722.80 and 606,015,312.80 is: 909,022,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,931,815.20 : 977,897,722.80 = 606,015,312.80 : x
  2. Step 2: Convert to fraction form
    651,931,815.20/977,897,722.80 = 606,015,312.80/x
  3. Step 3: Cross multiply
    651,931,815.20x = 977,897,722.80 × 606,015,312.80
  4. Step 4: Simplify right side
    651,931,815.20x = 592,620,994,369,049,600
  5. Step 5: Solve for x
    x = 592,620,994,369,049,600/651,931,815.20
  6. Step 6: Final answer
    x = 909,022,969.20

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Double scale
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Similar ratio
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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.