Home / 882,109,056.40-1,321,148,045.40-519,312,000.40

Finding the Fourth Proportional to 882,109,056.40, 1,321,148,045.40 and 519,312,000.40

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Solution

The fourth proportional to 882,109,056.40, 1,321,148,045.40 and 519,312,000.40 is: 777,781,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,109,056.40 : 1,321,148,045.40 = 519,312,000.40 : x
  2. Step 2: Convert to fraction form
    882,109,056.40/1,321,148,045.40 = 519,312,000.40/x
  3. Step 3: Cross multiply
    882,109,056.40x = 1,321,148,045.40 × 519,312,000.40
  4. Step 4: Simplify right side
    882,109,056.40x = 686,088,034,281,224,064
  5. Step 5: Solve for x
    x = 686,088,034,281,224,064/882,109,056.40
  6. Step 6: Final answer
    x = 777,781,419.77

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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.