Home / 287,323,409.60-430,985,114.40-282,788,446.40

Finding the Fourth Proportional to 287,323,409.60, 430,985,114.40 and 282,788,446.40

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Solution

The fourth proportional to 287,323,409.60, 430,985,114.40 and 282,788,446.40 is: 424,182,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,323,409.60 : 430,985,114.40 = 282,788,446.40 : x
  2. Step 2: Convert to fraction form
    287,323,409.60/430,985,114.40 = 282,788,446.40/x
  3. Step 3: Cross multiply
    287,323,409.60x = 430,985,114.40 × 282,788,446.40
  4. Step 4: Simplify right side
    287,323,409.60x = 121,877,610,922,702,256
  5. Step 5: Solve for x
    x = 121,877,610,922,702,256/287,323,409.60
  6. Step 6: Final answer
    x = 424,182,669.60

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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.