Home / 7,581,006,875.90-10,461,475,199.05-4,147,688,345.78

Finding the Fourth Proportional to 7,581,006,875.90, 10,461,475,199.05 and 4,147,688,345.78

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Solution

The fourth proportional to 7,581,006,875.90, 10,461,475,199.05 and 4,147,688,345.78 is: 5,723,637,964.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581,006,875.90 : 10,461,475,199.05 = 4,147,688,345.78 : x
  2. Step 2: Convert to fraction form
    7,581,006,875.90/10,461,475,199.05 = 4,147,688,345.78/x
  3. Step 3: Cross multiply
    7,581,006,875.90x = 10,461,475,199.05 × 4,147,688,345.78
  4. Step 4: Simplify right side
    7,581,006,875.90x = 43,390,938,762,746,200,064
  5. Step 5: Solve for x
    x = 43,390,938,762,746,200,064/7,581,006,875.90
  6. Step 6: Final answer
    x = 5,723,637,964.33

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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.