Home / 7,045,688,689.91-9,723,088,830.47-4,148,966,774.15

Finding the Fourth Proportional to 7,045,688,689.91, 9,723,088,830.47 and 4,148,966,774.15

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Solution

The fourth proportional to 7,045,688,689.91, 9,723,088,830.47 and 4,148,966,774.15 is: 5,725,596,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045,688,689.91 : 9,723,088,830.47 = 4,148,966,774.15 : x
  2. Step 2: Convert to fraction form
    7,045,688,689.91/9,723,088,830.47 = 4,148,966,774.15/x
  3. Step 3: Cross multiply
    7,045,688,689.91x = 9,723,088,830.47 × 4,148,966,774.15
  4. Step 4: Simplify right side
    7,045,688,689.91x = 40,340,772,499,729,006,592
  5. Step 5: Solve for x
    x = 40,340,772,499,729,006,592/7,045,688,689.91
  6. Step 6: Final answer
    x = 5,725,596,783.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.