Home / 868,156,329.60-1,303,746,148.80-460,009,641.60

Finding the Fourth Proportional to 868,156,329.60, 1,303,746,148.80 and 460,009,641.60

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Solution

The fourth proportional to 868,156,329.60, 1,303,746,148.80 and 460,009,641.60 is: 690,815,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,156,329.60 : 1,303,746,148.80 = 460,009,641.60 : x
  2. Step 2: Convert to fraction form
    868,156,329.60/1,303,746,148.80 = 460,009,641.60/x
  3. Step 3: Cross multiply
    868,156,329.60x = 1,303,746,148.80 × 460,009,641.60
  4. Step 4: Simplify right side
    868,156,329.60x = 599,735,798,646,868,224
  5. Step 5: Solve for x
    x = 599,735,798,646,868,224/868,156,329.60
  6. Step 6: Final answer
    x = 690,815,442.10

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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.