Home / 708,735,787.60-1,063,103,681.40-435,219,653.20

Finding the Fourth Proportional to 708,735,787.60, 1,063,103,681.40 and 435,219,653.20

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Solution

The fourth proportional to 708,735,787.60, 1,063,103,681.40 and 435,219,653.20 is: 652,829,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,735,787.60 : 1,063,103,681.40 = 435,219,653.20 : x
  2. Step 2: Convert to fraction form
    708,735,787.60/1,063,103,681.40 = 435,219,653.20/x
  3. Step 3: Cross multiply
    708,735,787.60x = 1,063,103,681.40 × 435,219,653.20
  4. Step 4: Simplify right side
    708,735,787.60x = 462,683,615,534,551,296
  5. Step 5: Solve for x
    x = 462,683,615,534,551,296/708,735,787.60
  6. Step 6: Final answer
    x = 652,829,479.80

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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.