Home / 977,887,690.80-1,466,831,536.20-322,939,802.40

Finding the Fourth Proportional to 977,887,690.80, 1,466,831,536.20 and 322,939,802.40

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Solution

The fourth proportional to 977,887,690.80, 1,466,831,536.20 and 322,939,802.40 is: 484,409,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,887,690.80 : 1,466,831,536.20 = 322,939,802.40 : x
  2. Step 2: Convert to fraction form
    977,887,690.80/1,466,831,536.20 = 322,939,802.40/x
  3. Step 3: Cross multiply
    977,887,690.80x = 1,466,831,536.20 × 322,939,802.40
  4. Step 4: Simplify right side
    977,887,690.80x = 473,698,286,454,516,416
  5. Step 5: Solve for x
    x = 473,698,286,454,516,416/977,887,690.80
  6. Step 6: Final answer
    x = 484,409,703.60

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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.