Home / 732,877,875.60-1,099,316,813.40-618,086,619.60

Finding the Fourth Proportional to 732,877,875.60, 1,099,316,813.40 and 618,086,619.60

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Solution

The fourth proportional to 732,877,875.60, 1,099,316,813.40 and 618,086,619.60 is: 927,129,929.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,877,875.60 : 1,099,316,813.40 = 618,086,619.60 : x
  2. Step 2: Convert to fraction form
    732,877,875.60/1,099,316,813.40 = 618,086,619.60/x
  3. Step 3: Cross multiply
    732,877,875.60x = 1,099,316,813.40 × 618,086,619.60
  4. Step 4: Simplify right side
    732,877,875.60x = 679,473,013,063,850,112
  5. Step 5: Solve for x
    x = 679,473,013,063,850,112/732,877,875.60
  6. Step 6: Final answer
    x = 927,129,929.40

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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.