Home / 651,847,477.60-977,771,216.40-580,421,807.20

Finding the Fourth Proportional to 651,847,477.60, 977,771,216.40 and 580,421,807.20

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Solution

The fourth proportional to 651,847,477.60, 977,771,216.40 and 580,421,807.20 is: 870,632,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,847,477.60 : 977,771,216.40 = 580,421,807.20 : x
  2. Step 2: Convert to fraction form
    651,847,477.60/977,771,216.40 = 580,421,807.20/x
  3. Step 3: Cross multiply
    651,847,477.60x = 977,771,216.40 × 580,421,807.20
  4. Step 4: Simplify right side
    651,847,477.60x = 567,519,736,451,030,336
  5. Step 5: Solve for x
    x = 567,519,736,451,030,336/651,847,477.60
  6. Step 6: Final answer
    x = 870,632,710.80

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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.