Home / 580,639,795.40-870,959,693.10-437,312,563.40

Finding the Fourth Proportional to 580,639,795.40, 870,959,693.10 and 437,312,563.40

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Solution

The fourth proportional to 580,639,795.40, 870,959,693.10 and 437,312,563.40 is: 655,968,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,639,795.40 : 870,959,693.10 = 437,312,563.40 : x
  2. Step 2: Convert to fraction form
    580,639,795.40/870,959,693.10 = 437,312,563.40/x
  3. Step 3: Cross multiply
    580,639,795.40x = 870,959,693.10 × 437,312,563.40
  4. Step 4: Simplify right side
    580,639,795.40x = 380,881,616,007,638,272
  5. Step 5: Solve for x
    x = 380,881,616,007,638,272/580,639,795.40
  6. Step 6: Final answer
    x = 655,968,845.10

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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.