Home / 689,655,262.40-1,034,482,893.60-614,828,369.60

Finding the Fourth Proportional to 689,655,262.40, 1,034,482,893.60 and 614,828,369.60

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Solution

The fourth proportional to 689,655,262.40, 1,034,482,893.60 and 614,828,369.60 is: 922,242,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,655,262.40 : 1,034,482,893.60 = 614,828,369.60 : x
  2. Step 2: Convert to fraction form
    689,655,262.40/1,034,482,893.60 = 614,828,369.60/x
  3. Step 3: Cross multiply
    689,655,262.40x = 1,034,482,893.60 × 614,828,369.60
  4. Step 4: Simplify right side
    689,655,262.40x = 636,029,430,851,178,368
  5. Step 5: Solve for x
    x = 636,029,430,851,178,368/689,655,262.40
  6. Step 6: Final answer
    x = 922,242,554.40

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Double scale
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Similar ratio
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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.