Home / 284,228,885.60-426,343,328.40-280,402,510.40

Finding the Fourth Proportional to 284,228,885.60, 426,343,328.40 and 280,402,510.40

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Solution

The fourth proportional to 284,228,885.60, 426,343,328.40 and 280,402,510.40 is: 420,603,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,228,885.60 : 426,343,328.40 = 280,402,510.40 : x
  2. Step 2: Convert to fraction form
    284,228,885.60/426,343,328.40 = 280,402,510.40/x
  3. Step 3: Cross multiply
    284,228,885.60x = 426,343,328.40 × 280,402,510.40
  4. Step 4: Simplify right side
    284,228,885.60x = 119,547,739,575,651,600
  5. Step 5: Solve for x
    x = 119,547,739,575,651,600/284,228,885.60
  6. Step 6: Final answer
    x = 420,603,765.60

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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.