Home / 530,591,117.12-732,218,646.40-307,704,948.48

Finding the Fourth Proportional to 530,591,117.12, 732,218,646.40 and 307,704,948.48

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Solution

The fourth proportional to 530,591,117.12, 732,218,646.40 and 307,704,948.48 is: 424,634,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,591,117.12 : 732,218,646.40 = 307,704,948.48 : x
  2. Step 2: Convert to fraction form
    530,591,117.12/732,218,646.40 = 307,704,948.48/x
  3. Step 3: Cross multiply
    530,591,117.12x = 732,218,646.40 × 307,704,948.48
  4. Step 4: Simplify right side
    530,591,117.12x = 225,307,300,866,607,360
  5. Step 5: Solve for x
    x = 225,307,300,866,607,360/530,591,117.12
  6. Step 6: Final answer
    x = 424,634,513.46

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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.