Home / 487,239,683.40-730,859,525.10-372,448,427.40

Finding the Fourth Proportional to 487,239,683.40, 730,859,525.10 and 372,448,427.40

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Solution

The fourth proportional to 487,239,683.40, 730,859,525.10 and 372,448,427.40 is: 558,672,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,239,683.40 : 730,859,525.10 = 372,448,427.40 : x
  2. Step 2: Convert to fraction form
    487,239,683.40/730,859,525.10 = 372,448,427.40/x
  3. Step 3: Cross multiply
    487,239,683.40x = 730,859,525.10 × 372,448,427.40
  4. Step 4: Simplify right side
    487,239,683.40x = 272,207,480,773,805,824
  5. Step 5: Solve for x
    x = 272,207,480,773,805,824/487,239,683.40
  6. Step 6: Final answer
    x = 558,672,641.10

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1.5x scale

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.