Home / 705,113,248.32-1,056,960,362.88-290,892,182.40

Finding the Fourth Proportional to 705,113,248.32, 1,056,960,362.88 and 290,892,182.40

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Solution

The fourth proportional to 705,113,248.32, 1,056,960,362.88 and 290,892,182.40 is: 436,045,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,113,248.32 : 1,056,960,362.88 = 290,892,182.40 : x
  2. Step 2: Convert to fraction form
    705,113,248.32/1,056,960,362.88 = 290,892,182.40/x
  3. Step 3: Cross multiply
    705,113,248.32x = 1,056,960,362.88 × 290,892,182.40
  4. Step 4: Simplify right side
    705,113,248.32x = 307,461,506,668,459,136
  5. Step 5: Solve for x
    x = 307,461,506,668,459,136/705,113,248.32
  6. Step 6: Final answer
    x = 436,045,567.72

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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.