Home / 993,446,916.20-1,370,894,972.59-547,385,317.40

Finding the Fourth Proportional to 993,446,916.20, 1,370,894,972.59 and 547,385,317.40

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Solution

The fourth proportional to 993,446,916.20, 1,370,894,972.59 and 547,385,317.40 is: 755,357,702.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,446,916.20 : 1,370,894,972.59 = 547,385,317.40 : x
  2. Step 2: Convert to fraction form
    993,446,916.20/1,370,894,972.59 = 547,385,317.40/x
  3. Step 3: Cross multiply
    993,446,916.20x = 1,370,894,972.59 × 547,385,317.40
  4. Step 4: Simplify right side
    993,446,916.20x = 750,407,779,683,650,048
  5. Step 5: Solve for x
    x = 750,407,779,683,650,048/993,446,916.20
  6. Step 6: Final answer
    x = 755,357,702.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.