Home / 989,845,809.40-1,484,768,714.10-974,540,308.60

Finding the Fourth Proportional to 989,845,809.40, 1,484,768,714.10 and 974,540,308.60

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Solution

The fourth proportional to 989,845,809.40, 1,484,768,714.10 and 974,540,308.60 is: 1,461,810,462.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,845,809.40 : 1,484,768,714.10 = 974,540,308.60 : x
  2. Step 2: Convert to fraction form
    989,845,809.40/1,484,768,714.10 = 974,540,308.60/x
  3. Step 3: Cross multiply
    989,845,809.40x = 1,484,768,714.10 × 974,540,308.60
  4. Step 4: Simplify right side
    989,845,809.40x = 1,446,966,960,838,639,104
  5. Step 5: Solve for x
    x = 1,446,966,960,838,639,104/989,845,809.40
  6. Step 6: Final answer
    x = 1,461,810,462.90

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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.