Home / 651,448,807.20-977,173,210.80-549,412,135.20

Finding the Fourth Proportional to 651,448,807.20, 977,173,210.80 and 549,412,135.20

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Solution

The fourth proportional to 651,448,807.20, 977,173,210.80 and 549,412,135.20 is: 824,118,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,448,807.20 : 977,173,210.80 = 549,412,135.20 : x
  2. Step 2: Convert to fraction form
    651,448,807.20/977,173,210.80 = 549,412,135.20/x
  3. Step 3: Cross multiply
    651,448,807.20x = 977,173,210.80 × 549,412,135.20
  4. Step 4: Simplify right side
    651,448,807.20x = 536,870,820,205,867,712
  5. Step 5: Solve for x
    x = 536,870,820,205,867,712/651,448,807.20
  6. Step 6: Final answer
    x = 824,118,202.80

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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.