Home / 779,868,931.60-1,169,519,962.20-262,316,256.40

Finding the Fourth Proportional to 779,868,931.60, 1,169,519,962.20 and 262,316,256.40

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Solution

The fourth proportional to 779,868,931.60, 1,169,519,962.20 and 262,316,256.40 is: 393,379,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,868,931.60 : 1,169,519,962.20 = 262,316,256.40 : x
  2. Step 2: Convert to fraction form
    779,868,931.60/1,169,519,962.20 = 262,316,256.40/x
  3. Step 3: Cross multiply
    779,868,931.60x = 1,169,519,962.20 × 262,316,256.40
  4. Step 4: Simplify right side
    779,868,931.60x = 306,784,098,269,373,504
  5. Step 5: Solve for x
    x = 306,784,098,269,373,504/779,868,931.60
  6. Step 6: Final answer
    x = 393,379,048.50

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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.