Home / 371,572,605.60-557,358,908.40-249,128,599.20

Finding the Fourth Proportional to 371,572,605.60, 557,358,908.40 and 249,128,599.20

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Solution

The fourth proportional to 371,572,605.60, 557,358,908.40 and 249,128,599.20 is: 373,692,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,572,605.60 : 557,358,908.40 = 249,128,599.20 : x
  2. Step 2: Convert to fraction form
    371,572,605.60/557,358,908.40 = 249,128,599.20/x
  3. Step 3: Cross multiply
    371,572,605.60x = 557,358,908.40 × 249,128,599.20
  4. Step 4: Simplify right side
    371,572,605.60x = 138,854,044,101,333,104
  5. Step 5: Solve for x
    x = 138,854,044,101,333,104/371,572,605.60
  6. Step 6: Final answer
    x = 373,692,898.80

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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.