Home / 905,614,572.15-1,249,752,341.70-514,495,457.91

Finding the Fourth Proportional to 905,614,572.15, 1,249,752,341.70 and 514,495,457.91

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Solution

The fourth proportional to 905,614,572.15, 1,249,752,341.70 and 514,495,457.91 is: 710,006,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,614,572.15 : 1,249,752,341.70 = 514,495,457.91 : x
  2. Step 2: Convert to fraction form
    905,614,572.15/1,249,752,341.70 = 514,495,457.91/x
  3. Step 3: Cross multiply
    905,614,572.15x = 1,249,752,341.70 × 514,495,457.91
  4. Step 4: Simplify right side
    905,614,572.15x = 642,991,903,317,036,288
  5. Step 5: Solve for x
    x = 642,991,903,317,036,288/905,614,572.15
  6. Step 6: Final answer
    x = 710,006,136.26

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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.