Home / 580,119,153.40-870,178,730.10-448,605,220.60

Finding the Fourth Proportional to 580,119,153.40, 870,178,730.10 and 448,605,220.60

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Solution

The fourth proportional to 580,119,153.40, 870,178,730.10 and 448,605,220.60 is: 672,907,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,119,153.40 : 870,178,730.10 = 448,605,220.60 : x
  2. Step 2: Convert to fraction form
    580,119,153.40/870,178,730.10 = 448,605,220.60/x
  3. Step 3: Cross multiply
    580,119,153.40x = 870,178,730.10 × 448,605,220.60
  4. Step 4: Simplify right side
    580,119,153.40x = 390,366,721,177,938,368
  5. Step 5: Solve for x
    x = 390,366,721,177,938,368/580,119,153.40
  6. Step 6: Final answer
    x = 672,907,830.90

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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.