Home / 470,745,281.80-706,117,922.70-147,628,635.40

Finding the Fourth Proportional to 470,745,281.80, 706,117,922.70 and 147,628,635.40

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Solution

The fourth proportional to 470,745,281.80, 706,117,922.70 and 147,628,635.40 is: 221,442,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,745,281.80 : 706,117,922.70 = 147,628,635.40 : x
  2. Step 2: Convert to fraction form
    470,745,281.80/706,117,922.70 = 147,628,635.40/x
  3. Step 3: Cross multiply
    470,745,281.80x = 706,117,922.70 × 147,628,635.40
  4. Step 4: Simplify right side
    470,745,281.80x = 104,243,225,359,683,696
  5. Step 5: Solve for x
    x = 104,243,225,359,683,696/470,745,281.80
  6. Step 6: Final answer
    x = 221,442,953.10

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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.