Home / 514,782,246,510.80-710,399,616,141.96-283,295,765,779.46

Finding the Fourth Proportional to 514,782,246,510.80, 710,399,616,141.96 and 283,295,765,779.46

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Solution

The fourth proportional to 514,782,246,510.80, 710,399,616,141.96 and 283,295,765,779.46 is: 390,948,220,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,782,246,510.80 : 710,399,616,141.96 = 283,295,765,779.46 : x
  2. Step 2: Convert to fraction form
    514,782,246,510.80/710,399,616,141.96 = 283,295,765,779.46/x
  3. Step 3: Cross multiply
    514,782,246,510.80x = 710,399,616,141.96 × 283,295,765,779.46
  4. Step 4: Simplify right side
    514,782,246,510.80x = 201,253,203,264,370,993,266,688
  5. Step 5: Solve for x
    x = 201,253,203,264,370,993,266,688/514,782,246,510.80
  6. Step 6: Final answer
    x = 390,948,220,589.32

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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.