Home / 783,435,644.70-1,175,153,467.05-553,853,132.70

Finding the Fourth Proportional to 783,435,644.70, 1,175,153,467.05 and 553,853,132.70

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Solution

The fourth proportional to 783,435,644.70, 1,175,153,467.05 and 553,853,132.70 is: 830,779,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,435,644.70 : 1,175,153,467.05 = 553,853,132.70 : x
  2. Step 2: Convert to fraction form
    783,435,644.70/1,175,153,467.05 = 553,853,132.70/x
  3. Step 3: Cross multiply
    783,435,644.70x = 1,175,153,467.05 × 553,853,132.70
  4. Step 4: Simplify right side
    783,435,644.70x = 650,862,429,128,908,800
  5. Step 5: Solve for x
    x = 650,862,429,128,908,800/783,435,644.70
  6. Step 6: Final answer
    x = 830,779,699.05

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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.